81032380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{977}}^1$

素因数の和:1039

約数の個数: 96

約数和(自身を含む): 207023040

約数和(自身を除く): 125990660

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 29, 44, 52, 55, 58, 65, 110, 116, 130, 143, 145, 220, 260, 286, 290, 319, 377, 572, 580, 638, 715, 754, 977, 1276, 1430, 1508, 1595, 1885, 1954, 2860, 3190, 3770, 3908, 4147, 4885, 6380, 7540, 8294, 9770, 10747, 12701, 16588, 19540, 20735, 21494, 25402, 28333, 41470, 42988, 50804, 53735, 56666, 63505, 82940, 107470, 113332, 127010, 139711, 141665, 214940, 254020, 279422, 283330, 311663, 368329, 558844, 566660, 623326, 698555, 736658, 1246652, 1397110, 1473316, 1558315, 1841645, 2794220, 3116630, 3683290, 4051619, 6233260, 7366580, 8103238, 16206476, 20258095, 40516190, 81032380]

約数ペア:

[(1, 81032380), (2, 40516190), (4, 20258095), (5, 16206476), (10, 8103238), (11, 7366580), (13, 6233260), (20, 4051619), (22, 3683290), (26, 3116630), (29, 2794220), (44, 1841645), (52, 1558315), (55, 1473316), (58, 1397110), (65, 1246652), (110, 736658), (116, 698555), (130, 623326), (143, 566660), (145, 558844), (220, 368329), (260, 311663), (286, 283330), (290, 279422), (319, 254020), (377, 214940), (572, 141665), (580, 139711), (638, 127010), (715, 113332), (754, 107470), (977, 82940), (1276, 63505), (1430, 56666), (1508, 53735), (1595, 50804), (1885, 42988), (1954, 41470), (2860, 28333), (3190, 25402), (3770, 21494), (3908, 20735), (4147, 19540), (4885, 16588), (6380, 12701), (7540, 10747), (8294, 9770)]