4256335940

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{13421}}^1$

素因数の和:13688

約数の個数: 48

約数和(自身を含む): 9084975984

約数和(自身を除く): 4828640044

約数列:

[1, 2, 4, 5, 10, 20, 101, 157, 202, 314, 404, 505, 628, 785, 1010, 1570, 2020, 3140, 13421, 15857, 26842, 31714, 53684, 63428, 67105, 79285, 134210, 158570, 268420, 317140, 1355521, 2107097, 2711042, 4214194, 5422084, 6777605, 8428388, 10535485, 13555210, 21070970, 27110420, 42141940, 212816797, 425633594, 851267188, 1064083985, 2128167970, 4256335940]

約数ペア:

[(1, 4256335940), (2, 2128167970), (4, 1064083985), (5, 851267188), (10, 425633594), (20, 212816797), (101, 42141940), (157, 27110420), (202, 21070970), (314, 13555210), (404, 10535485), (505, 8428388), (628, 6777605), (785, 5422084), (1010, 4214194), (1570, 2711042), (2020, 2107097), (3140, 1355521), (13421, 317140), (15857, 268420), (26842, 158570), (31714, 134210), (53684, 79285), (63428, 67105)]