25844920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 60419520

約数和(自身を除く): 34574600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 73, 106, 146, 167, 212, 265, 292, 334, 365, 424, 530, 584, 668, 730, 835, 1060, 1336, 1460, 1670, 2120, 2920, 3340, 3869, 6680, 7738, 8851, 12191, 15476, 17702, 19345, 24382, 30952, 35404, 38690, 44255, 48764, 60955, 70808, 77380, 88510, 97528, 121910, 154760, 177020, 243820, 354040, 487640, 646123, 1292246, 2584492, 3230615, 5168984, 6461230, 12922460, 25844920]

約数ペア:

[(1, 25844920), (2, 12922460), (4, 6461230), (5, 5168984), (8, 3230615), (10, 2584492), (20, 1292246), (40, 646123), (53, 487640), (73, 354040), (106, 243820), (146, 177020), (167, 154760), (212, 121910), (265, 97528), (292, 88510), (334, 77380), (365, 70808), (424, 60955), (530, 48764), (584, 44255), (668, 38690), (730, 35404), (835, 30952), (1060, 24382), (1336, 19345), (1460, 17702), (1670, 15476), (2120, 12191), (2920, 8851), (3340, 7738), (3869, 6680)]