40131611728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{63197}}^1$

素因数の和:63332

約数の個数: 80

約数和(自身を含む): 86891688576

約数和(自身を除く): 46760076848

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 71, 86, 104, 142, 172, 208, 284, 344, 559, 568, 688, 923, 1118, 1136, 1846, 2236, 3053, 3692, 4472, 6106, 7384, 8944, 12212, 14768, 24424, 39689, 48848, 63197, 79378, 126394, 158756, 252788, 317512, 505576, 635024, 821561, 1011152, 1643122, 2717471, 3286244, 4486987, 5434942, 6572488, 8973974, 10869884, 13144976, 17947948, 21739768, 35327123, 35895896, 43479536, 58330831, 70654246, 71791792, 116661662, 141308492, 192940441, 233323324, 282616984, 385880882, 466646648, 565233968, 771761764, 933293296, 1543523528, 2508225733, 3087047056, 5016451466, 10032902932, 20065805864, 40131611728]

約数ペア:

[(1, 40131611728), (2, 20065805864), (4, 10032902932), (8, 5016451466), (13, 3087047056), (16, 2508225733), (26, 1543523528), (43, 933293296), (52, 771761764), (71, 565233968), (86, 466646648), (104, 385880882), (142, 282616984), (172, 233323324), (208, 192940441), (284, 141308492), (344, 116661662), (559, 71791792), (568, 70654246), (688, 58330831), (923, 43479536), (1118, 35895896), (1136, 35327123), (1846, 21739768), (2236, 17947948), (3053, 13144976), (3692, 10869884), (4472, 8973974), (6106, 6572488), (7384, 5434942), (8944, 4486987), (12212, 3286244), (14768, 2717471), (24424, 1643122), (39689, 1011152), (48848, 821561), (63197, 635024), (79378, 505576), (126394, 317512), (158756, 252788)]