51689840

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:306

約数の個数: 80

約数和(自身を含む): 124867008

約数和(自身を除く): 73177168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 73, 80, 106, 146, 167, 212, 265, 292, 334, 365, 424, 530, 584, 668, 730, 835, 848, 1060, 1168, 1336, 1460, 1670, 2120, 2672, 2920, 3340, 3869, 4240, 5840, 6680, 7738, 8851, 12191, 13360, 15476, 17702, 19345, 24382, 30952, 35404, 38690, 44255, 48764, 60955, 61904, 70808, 77380, 88510, 97528, 121910, 141616, 154760, 177020, 195056, 243820, 309520, 354040, 487640, 646123, 708080, 975280, 1292246, 2584492, 3230615, 5168984, 6461230, 10337968, 12922460, 25844920, 51689840]

約数ペア:

[(1, 51689840), (2, 25844920), (4, 12922460), (5, 10337968), (8, 6461230), (10, 5168984), (16, 3230615), (20, 2584492), (40, 1292246), (53, 975280), (73, 708080), (80, 646123), (106, 487640), (146, 354040), (167, 309520), (212, 243820), (265, 195056), (292, 177020), (334, 154760), (365, 141616), (424, 121910), (530, 97528), (584, 88510), (668, 77380), (730, 70808), (835, 61904), (848, 60955), (1060, 48764), (1168, 44255), (1336, 38690), (1460, 35404), (1670, 30952), (2120, 24382), (2672, 19345), (2920, 17702), (3340, 15476), (3869, 13360), (4240, 12191), (5840, 8851), (6680, 7738)]