64840220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4547}}^1$

素因数の和:4610

約数の個数: 48

約数和(自身を含む): 146700288

約数和(自身を除く): 81860068

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 1426, 2852, 3565, 4547, 7130, 9094, 14260, 18188, 22735, 45470, 90940, 104581, 140957, 209162, 281914, 418324, 522905, 563828, 704785, 1045810, 1409570, 2091620, 2819140, 3242011, 6484022, 12968044, 16210055, 32420110, 64840220]

約数ペア:

[(1, 64840220), (2, 32420110), (4, 16210055), (5, 12968044), (10, 6484022), (20, 3242011), (23, 2819140), (31, 2091620), (46, 1409570), (62, 1045810), (92, 704785), (115, 563828), (124, 522905), (155, 418324), (230, 281914), (310, 209162), (460, 140957), (620, 104581), (713, 90940), (1426, 45470), (2852, 22735), (3565, 18188), (4547, 14260), (7130, 9094)]