81659660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{1063}}^1$

素因数の和:1262

約数の個数: 48

約数和(自身を含む): 180182016

約数和(自身を除く): 98522356

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 167, 230, 334, 460, 668, 835, 1063, 1670, 2126, 3340, 3841, 4252, 5315, 7682, 10630, 15364, 19205, 21260, 24449, 38410, 48898, 76820, 97796, 122245, 177521, 244490, 355042, 488980, 710084, 887605, 1775210, 3550420, 4082983, 8165966, 16331932, 20414915, 40829830, 81659660]

約数ペア:

[(1, 81659660), (2, 40829830), (4, 20414915), (5, 16331932), (10, 8165966), (20, 4082983), (23, 3550420), (46, 1775210), (92, 887605), (115, 710084), (167, 488980), (230, 355042), (334, 244490), (460, 177521), (668, 122245), (835, 97796), (1063, 76820), (1670, 48898), (2126, 38410), (3340, 24449), (3841, 21260), (4252, 19205), (5315, 15364), (7682, 10630)]