326872520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{3257}}^1$

素因数の和:3474

約数の個数: 64

約数和(自身を含む): 796385520

約数和(自身を除く): 469513000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 193, 260, 386, 520, 772, 965, 1544, 1930, 2509, 3257, 3860, 5018, 6514, 7720, 10036, 12545, 13028, 16285, 20072, 25090, 26056, 32570, 42341, 50180, 65140, 84682, 100360, 130280, 169364, 211705, 338728, 423410, 628601, 846820, 1257202, 1693640, 2514404, 3143005, 5028808, 6286010, 8171813, 12572020, 16343626, 25144040, 32687252, 40859065, 65374504, 81718130, 163436260, 326872520]

約数ペア:

[(1, 326872520), (2, 163436260), (4, 81718130), (5, 65374504), (8, 40859065), (10, 32687252), (13, 25144040), (20, 16343626), (26, 12572020), (40, 8171813), (52, 6286010), (65, 5028808), (104, 3143005), (130, 2514404), (193, 1693640), (260, 1257202), (386, 846820), (520, 628601), (772, 423410), (965, 338728), (1544, 211705), (1930, 169364), (2509, 130280), (3257, 100360), (3860, 84682), (5018, 65140), (6514, 50180), (7720, 42341), (10036, 32570), (12545, 26056), (13028, 25090), (16285, 20072)]