77489360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74509}}^1$

素因数の和:74535

約数の個数: 40

約数和(自身を含む): 194024040

約数和(自身を除く): 116534680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 74509, 149018, 298036, 372545, 596072, 745090, 968617, 1192144, 1490180, 1937234, 2980360, 3874468, 4843085, 5960720, 7748936, 9686170, 15497872, 19372340, 38744680, 77489360]

約数ペア:

[(1, 77489360), (2, 38744680), (4, 19372340), (5, 15497872), (8, 9686170), (10, 7748936), (13, 5960720), (16, 4843085), (20, 3874468), (26, 2980360), (40, 1937234), (52, 1490180), (65, 1192144), (80, 968617), (104, 745090), (130, 596072), (208, 372545), (260, 298036), (520, 149018), (1040, 74509)]