80031380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{27983}}^1$

素因数の和:28016

約数の個数: 48

約数和(自身を含む): 197455104

約数和(自身を除く): 117423724

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 27983, 55966, 111932, 139915, 279830, 307813, 363779, 559660, 615626, 727558, 1231252, 1455116, 1539065, 1818895, 3078130, 3637790, 4001569, 6156260, 7275580, 8003138, 16006276, 20007845, 40015690, 80031380]

約数ペア:

[(1, 80031380), (2, 40015690), (4, 20007845), (5, 16006276), (10, 8003138), (11, 7275580), (13, 6156260), (20, 4001569), (22, 3637790), (26, 3078130), (44, 1818895), (52, 1539065), (55, 1455116), (65, 1231252), (110, 727558), (130, 615626), (143, 559660), (220, 363779), (260, 307813), (286, 279830), (572, 139915), (715, 111932), (1430, 55966), (2860, 27983)]