52137500

素因数分解:

$2^2\times 5^5\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 117898704

約数和(自身を除く): 65761204

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 97, 100, 125, 172, 194, 215, 250, 388, 430, 485, 500, 625, 860, 970, 1075, 1250, 1940, 2150, 2425, 2500, 3125, 4171, 4300, 4850, 5375, 6250, 8342, 9700, 10750, 12125, 12500, 16684, 20855, 21500, 24250, 26875, 41710, 48500, 53750, 60625, 83420, 104275, 107500, 121250, 134375, 208550, 242500, 268750, 303125, 417100, 521375, 537500, 606250, 1042750, 1212500, 2085500, 2606875, 5213750, 10427500, 13034375, 26068750, 52137500]

約数ペア:

[(1, 52137500), (2, 26068750), (4, 13034375), (5, 10427500), (10, 5213750), (20, 2606875), (25, 2085500), (43, 1212500), (50, 1042750), (86, 606250), (97, 537500), (100, 521375), (125, 417100), (172, 303125), (194, 268750), (215, 242500), (250, 208550), (388, 134375), (430, 121250), (485, 107500), (500, 104275), (625, 83420), (860, 60625), (970, 53750), (1075, 48500), (1250, 41710), (1940, 26875), (2150, 24250), (2425, 21500), (2500, 20855), (3125, 16684), (4171, 12500), (4300, 12125), (4850, 10750), (5375, 9700), (6250, 8342)]