50721580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:120

約数の個数: 144

約数和(自身を含む): 140132160

約数和(自身を除く): 89410580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 29, 31, 35, 52, 58, 62, 65, 70, 91, 116, 124, 130, 140, 145, 155, 182, 203, 217, 260, 290, 310, 364, 377, 403, 406, 434, 455, 580, 620, 754, 806, 812, 868, 899, 910, 961, 1015, 1085, 1508, 1612, 1798, 1820, 1885, 1922, 2015, 2030, 2170, 2639, 2821, 3596, 3770, 3844, 4030, 4060, 4340, 4495, 4805, 5278, 5642, 6293, 6727, 7540, 8060, 8990, 9610, 10556, 11284, 11687, 12493, 12586, 13195, 13454, 14105, 17980, 19220, 23374, 24986, 25172, 26390, 26908, 27869, 28210, 31465, 33635, 46748, 49972, 52780, 55738, 56420, 58435, 62465, 62930, 67270, 81809, 87451, 111476, 116870, 124930, 125860, 134540, 139345, 163618, 174902, 195083, 233740, 249860, 278690, 327236, 349804, 362297, 390166, 409045, 437255, 557380, 724594, 780332, 818090, 874510, 975415, 1449188, 1636180, 1749020, 1811485, 1950830, 2536079, 3622970, 3901660, 5072158, 7245940, 10144316, 12680395, 25360790, 50721580]

約数ペア:

[(1, 50721580), (2, 25360790), (4, 12680395), (5, 10144316), (7, 7245940), (10, 5072158), (13, 3901660), (14, 3622970), (20, 2536079), (26, 1950830), (28, 1811485), (29, 1749020), (31, 1636180), (35, 1449188), (52, 975415), (58, 874510), (62, 818090), (65, 780332), (70, 724594), (91, 557380), (116, 437255), (124, 409045), (130, 390166), (140, 362297), (145, 349804), (155, 327236), (182, 278690), (203, 249860), (217, 233740), (260, 195083), (290, 174902), (310, 163618), (364, 139345), (377, 134540), (403, 125860), (406, 124930), (434, 116870), (455, 111476), (580, 87451), (620, 81809), (754, 67270), (806, 62930), (812, 62465), (868, 58435), (899, 56420), (910, 55738), (961, 52780), (1015, 49972), (1085, 46748), (1508, 33635), (1612, 31465), (1798, 28210), (1820, 27869), (1885, 26908), (1922, 26390), (2015, 25172), (2030, 24986), (2170, 23374), (2639, 19220), (2821, 17980), (3596, 14105), (3770, 13454), (3844, 13195), (4030, 12586), (4060, 12493), (4340, 11687), (4495, 11284), (4805, 10556), (5278, 9610), (5642, 8990), (6293, 8060), (6727, 7540)]