54657220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 118492416

約数和(自身を除く): 63835196

約数列:

[1, 2, 4, 5, 10, 20, 61, 71, 122, 142, 244, 284, 305, 355, 610, 631, 710, 1220, 1262, 1420, 2524, 3155, 4331, 6310, 8662, 12620, 17324, 21655, 38491, 43310, 44801, 76982, 86620, 89602, 153964, 179204, 192455, 224005, 384910, 448010, 769820, 896020, 2732861, 5465722, 10931444, 13664305, 27328610, 54657220]

約数ペア:

[(1, 54657220), (2, 27328610), (4, 13664305), (5, 10931444), (10, 5465722), (20, 2732861), (61, 896020), (71, 769820), (122, 448010), (142, 384910), (244, 224005), (284, 192455), (305, 179204), (355, 153964), (610, 89602), (631, 86620), (710, 76982), (1220, 44801), (1262, 43310), (1420, 38491), (2524, 21655), (3155, 17324), (4331, 12620), (6310, 8662)]