636681380

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^2\times {\mathrm{4621}}^1$

素因数の和:4796

約数の個数: 36

約数和(自身を含む): 1353626652

約数和(自身を除く): 716945272

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 4621, 6889, 9242, 13778, 18484, 23105, 27556, 34445, 46210, 68890, 92420, 137780, 383543, 767086, 1534172, 1917715, 3835430, 7670860, 31834069, 63668138, 127336276, 159170345, 318340690, 636681380]

約数ペア:

[(1, 636681380), (2, 318340690), (4, 159170345), (5, 127336276), (10, 63668138), (20, 31834069), (83, 7670860), (166, 3835430), (332, 1917715), (415, 1534172), (830, 767086), (1660, 383543), (4621, 137780), (6889, 92420), (9242, 68890), (13778, 46210), (18484, 34445), (23105, 27556)]