25797850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 72

約数和(自身を含む): 53916192

約数和(自身を除く): 28118342

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 71, 86, 130, 142, 169, 215, 325, 338, 355, 430, 559, 650, 710, 845, 923, 1075, 1118, 1690, 1775, 1846, 2150, 2795, 3053, 3550, 4225, 4615, 5590, 6106, 7267, 8450, 9230, 11999, 13975, 14534, 15265, 23075, 23998, 27950, 30530, 36335, 39689, 46150, 59995, 72670, 76325, 79378, 119990, 152650, 181675, 198445, 299975, 363350, 396890, 515957, 599950, 992225, 1031914, 1984450, 2579785, 5159570, 12898925, 25797850]

約数ペア:

[(1, 25797850), (2, 12898925), (5, 5159570), (10, 2579785), (13, 1984450), (25, 1031914), (26, 992225), (43, 599950), (50, 515957), (65, 396890), (71, 363350), (86, 299975), (130, 198445), (142, 181675), (169, 152650), (215, 119990), (325, 79378), (338, 76325), (355, 72670), (430, 59995), (559, 46150), (650, 39689), (710, 36335), (845, 30530), (923, 27950), (1075, 23998), (1118, 23075), (1690, 15265), (1775, 14534), (1846, 13975), (2150, 11999), (2795, 9230), (3053, 8450), (3550, 7267), (4225, 6106), (4615, 5590)]