55779620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3517}}^1$

素因数の和:3600

約数の個数: 48

約数和(自身を含む): 128252208

約数和(自身を除く): 72472588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3517, 3965, 7034, 7930, 14068, 15860, 17585, 35170, 45721, 70340, 91442, 182884, 214537, 228605, 429074, 457210, 858148, 914420, 1072685, 2145370, 2788981, 4290740, 5577962, 11155924, 13944905, 27889810, 55779620]

約数ペア:

[(1, 55779620), (2, 27889810), (4, 13944905), (5, 11155924), (10, 5577962), (13, 4290740), (20, 2788981), (26, 2145370), (52, 1072685), (61, 914420), (65, 858148), (122, 457210), (130, 429074), (244, 228605), (260, 214537), (305, 182884), (610, 91442), (793, 70340), (1220, 45721), (1586, 35170), (3172, 17585), (3517, 15860), (3965, 14068), (7034, 7930)]