20162570000

素因数分解:

$2^4\times 5^4\times {\mathrm{41}}^1\times {\mathrm{49177}}^1$

素因数の和:49246

約数の個数: 100

約数和(自身を含む): 50007239436

約数和(自身を除く): 29844669436

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 125, 164, 200, 205, 250, 328, 400, 410, 500, 625, 656, 820, 1000, 1025, 1250, 1640, 2000, 2050, 2500, 3280, 4100, 5000, 5125, 8200, 10000, 10250, 16400, 20500, 25625, 41000, 49177, 51250, 82000, 98354, 102500, 196708, 205000, 245885, 393416, 410000, 491770, 786832, 983540, 1229425, 1967080, 2016257, 2458850, 3934160, 4032514, 4917700, 6147125, 8065028, 9835400, 10081285, 12294250, 16130056, 19670800, 20162570, 24588500, 30735625, 32260112, 40325140, 49177000, 50406425, 61471250, 80650280, 98354000, 100812850, 122942500, 161300560, 201625700, 245885000, 252032125, 403251400, 491770000, 504064250, 806502800, 1008128500, 1260160625, 2016257000, 2520321250, 4032514000, 5040642500, 10081285000, 20162570000]

約数ペア:

[(1, 20162570000), (2, 10081285000), (4, 5040642500), (5, 4032514000), (8, 2520321250), (10, 2016257000), (16, 1260160625), (20, 1008128500), (25, 806502800), (40, 504064250), (41, 491770000), (50, 403251400), (80, 252032125), (82, 245885000), (100, 201625700), (125, 161300560), (164, 122942500), (200, 100812850), (205, 98354000), (250, 80650280), (328, 61471250), (400, 50406425), (410, 49177000), (500, 40325140), (625, 32260112), (656, 30735625), (820, 24588500), (1000, 20162570), (1025, 19670800), (1250, 16130056), (1640, 12294250), (2000, 10081285), (2050, 9835400), (2500, 8065028), (3280, 6147125), (4100, 4917700), (5000, 4032514), (5125, 3934160), (8200, 2458850), (10000, 2016257), (10250, 1967080), (16400, 1229425), (20500, 983540), (25625, 786832), (41000, 491770), (49177, 410000), (51250, 393416), (82000, 245885), (98354, 205000), (102500, 196708)]