26375980

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 57153600

約数和(自身を除く): 30777620

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 149, 167, 212, 265, 298, 334, 530, 596, 668, 745, 835, 1060, 1490, 1670, 2980, 3340, 7897, 8851, 15794, 17702, 24883, 31588, 35404, 39485, 44255, 49766, 78970, 88510, 99532, 124415, 157940, 177020, 248830, 497660, 1318799, 2637598, 5275196, 6593995, 13187990, 26375980]

約数ペア:

[(1, 26375980), (2, 13187990), (4, 6593995), (5, 5275196), (10, 2637598), (20, 1318799), (53, 497660), (106, 248830), (149, 177020), (167, 157940), (212, 124415), (265, 99532), (298, 88510), (334, 78970), (530, 49766), (596, 44255), (668, 39485), (745, 35404), (835, 31588), (1060, 24883), (1490, 17702), (1670, 15794), (2980, 8851), (3340, 7897)]