51009725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 72328704

約数和(自身を除く): 21318979

約数列:

[1, 5, 13, 25, 31, 61, 65, 83, 155, 305, 325, 403, 415, 775, 793, 1079, 1525, 1891, 2015, 2075, 2573, 3965, 5063, 5395, 9455, 10075, 12865, 19825, 24583, 25315, 26975, 33449, 47275, 64325, 65819, 122915, 126575, 156953, 167245, 329095, 614575, 784765, 836225, 1645475, 2040389, 3923825, 10201945, 51009725]

約数ペア:

[(1, 51009725), (5, 10201945), (13, 3923825), (25, 2040389), (31, 1645475), (61, 836225), (65, 784765), (83, 614575), (155, 329095), (305, 167245), (325, 156953), (403, 126575), (415, 122915), (775, 65819), (793, 64325), (1079, 47275), (1525, 33449), (1891, 26975), (2015, 25315), (2075, 24583), (2573, 19825), (3965, 12865), (5063, 10075), (5395, 9455)]