159647020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{3911}}^1$

素因数の和:4090

約数の個数: 48

約数和(自身を含む): 363440448

約数和(自身を除く): 203793428

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 628, 785, 1570, 2041, 3140, 3911, 4082, 7822, 8164, 10205, 15644, 19555, 20410, 39110, 40820, 50843, 78220, 101686, 203372, 254215, 508430, 614027, 1016860, 1228054, 2456108, 3070135, 6140270, 7982351, 12280540, 15964702, 31929404, 39911755, 79823510, 159647020]

約数ペア:

[(1, 159647020), (2, 79823510), (4, 39911755), (5, 31929404), (10, 15964702), (13, 12280540), (20, 7982351), (26, 6140270), (52, 3070135), (65, 2456108), (130, 1228054), (157, 1016860), (260, 614027), (314, 508430), (628, 254215), (785, 203372), (1570, 101686), (2041, 78220), (3140, 50843), (3911, 40820), (4082, 39110), (7822, 20410), (8164, 19555), (10205, 15644)]