40271720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 94770000

約数和(自身を除く): 54498280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 149, 232, 233, 290, 298, 466, 580, 596, 745, 932, 1160, 1165, 1192, 1490, 1864, 2330, 2980, 4321, 4660, 5960, 6757, 8642, 9320, 13514, 17284, 21605, 27028, 33785, 34568, 34717, 43210, 54056, 67570, 69434, 86420, 135140, 138868, 172840, 173585, 270280, 277736, 347170, 694340, 1006793, 1388680, 2013586, 4027172, 5033965, 8054344, 10067930, 20135860, 40271720]

約数ペア:

[(1, 40271720), (2, 20135860), (4, 10067930), (5, 8054344), (8, 5033965), (10, 4027172), (20, 2013586), (29, 1388680), (40, 1006793), (58, 694340), (116, 347170), (145, 277736), (149, 270280), (232, 173585), (233, 172840), (290, 138868), (298, 135140), (466, 86420), (580, 69434), (596, 67570), (745, 54056), (932, 43210), (1160, 34717), (1165, 34568), (1192, 33785), (1490, 27028), (1864, 21605), (2330, 17284), (2980, 13514), (4321, 9320), (4660, 8642), (5960, 6757)]