51305930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 106444800

約数和(自身を除く): 55138870

約数列:

[1, 2, 5, 10, 13, 26, 29, 31, 58, 62, 65, 130, 145, 155, 290, 310, 377, 403, 439, 754, 806, 878, 899, 1798, 1885, 2015, 2195, 3770, 4030, 4390, 4495, 5707, 8990, 11414, 11687, 12731, 13609, 23374, 25462, 27218, 28535, 57070, 58435, 63655, 68045, 116870, 127310, 136090, 165503, 176917, 331006, 353834, 394661, 789322, 827515, 884585, 1655030, 1769170, 1973305, 3946610, 5130593, 10261186, 25652965, 51305930]

約数ペア:

[(1, 51305930), (2, 25652965), (5, 10261186), (10, 5130593), (13, 3946610), (26, 1973305), (29, 1769170), (31, 1655030), (58, 884585), (62, 827515), (65, 789322), (130, 394661), (145, 353834), (155, 331006), (290, 176917), (310, 165503), (377, 136090), (403, 127310), (439, 116870), (754, 68045), (806, 63655), (878, 58435), (899, 57070), (1798, 28535), (1885, 27218), (2015, 25462), (2195, 23374), (3770, 13609), (4030, 12731), (4390, 11687), (4495, 11414), (5707, 8990)]