61658440

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{3373}}^1$

素因数の和:3841

約数の個数: 32

約数和(自身を含む): 139076280

約数和(自身を除く): 77417840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1828, 2285, 3373, 3656, 4570, 6746, 9140, 13492, 16865, 18280, 26984, 33730, 67460, 134920, 1541461, 3082922, 6165844, 7707305, 12331688, 15414610, 30829220, 61658440]

約数ペア:

[(1, 61658440), (2, 30829220), (4, 15414610), (5, 12331688), (8, 7707305), (10, 6165844), (20, 3082922), (40, 1541461), (457, 134920), (914, 67460), (1828, 33730), (2285, 26984), (3373, 18280), (3656, 16865), (4570, 13492), (6746, 9140)]