326927380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{8009}}^1$

素因数の和:8188

約数の個数: 48

約数和(自身を含む): 744161040

約数和(自身を除く): 417233660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 628, 785, 1570, 2041, 3140, 4082, 8009, 8164, 10205, 16018, 20410, 32036, 40045, 40820, 80090, 104117, 160180, 208234, 416468, 520585, 1041170, 1257413, 2082340, 2514826, 5029652, 6287065, 12574130, 16346369, 25148260, 32692738, 65385476, 81731845, 163463690, 326927380]

約数ペア:

[(1, 326927380), (2, 163463690), (4, 81731845), (5, 65385476), (10, 32692738), (13, 25148260), (20, 16346369), (26, 12574130), (52, 6287065), (65, 5029652), (130, 2514826), (157, 2082340), (260, 1257413), (314, 1041170), (628, 520585), (785, 416468), (1570, 208234), (2041, 160180), (3140, 104117), (4082, 80090), (8009, 40820), (8164, 40045), (10205, 32036), (16018, 20410)]