78552500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{2417}}^1$

素因数の和:2454

約数の個数: 60

約数和(自身を含む): 185068884

約数和(自身を除く): 106516384

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 625, 650, 1250, 1300, 1625, 2417, 2500, 3250, 4834, 6500, 8125, 9668, 12085, 16250, 24170, 31421, 32500, 48340, 60425, 62842, 120850, 125684, 157105, 241700, 302125, 314210, 604250, 628420, 785525, 1208500, 1510625, 1571050, 3021250, 3142100, 3927625, 6042500, 7855250, 15710500, 19638125, 39276250, 78552500]

約数ペア:

[(1, 78552500), (2, 39276250), (4, 19638125), (5, 15710500), (10, 7855250), (13, 6042500), (20, 3927625), (25, 3142100), (26, 3021250), (50, 1571050), (52, 1510625), (65, 1208500), (100, 785525), (125, 628420), (130, 604250), (250, 314210), (260, 302125), (325, 241700), (500, 157105), (625, 125684), (650, 120850), (1250, 62842), (1300, 60425), (1625, 48340), (2417, 32500), (2500, 31421), (3250, 24170), (4834, 16250), (6500, 12085), (8125, 9668)]