64278100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{27947}}^1$

素因数の和:27984

約数の個数: 36

約数和(自身を含む): 145553184

約数和(自身を除く): 81275084

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 575, 1150, 2300, 27947, 55894, 111788, 139735, 279470, 558940, 642781, 698675, 1285562, 1397350, 2571124, 2794700, 3213905, 6427810, 12855620, 16069525, 32139050, 64278100]

約数ペア:

[(1, 64278100), (2, 32139050), (4, 16069525), (5, 12855620), (10, 6427810), (20, 3213905), (23, 2794700), (25, 2571124), (46, 1397350), (50, 1285562), (92, 698675), (100, 642781), (115, 558940), (230, 279470), (460, 139735), (575, 111788), (1150, 55894), (2300, 27947)]