140804560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{135389}}^1$

素因数の和:135415

約数の個数: 40

約数和(自身を含む): 352555560

約数和(自身を除く): 211751000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 135389, 270778, 541556, 676945, 1083112, 1353890, 1760057, 2166224, 2707780, 3520114, 5415560, 7040228, 8800285, 10831120, 14080456, 17600570, 28160912, 35201140, 70402280, 140804560]

約数ペア:

[(1, 140804560), (2, 70402280), (4, 35201140), (5, 28160912), (8, 17600570), (10, 14080456), (13, 10831120), (16, 8800285), (20, 7040228), (26, 5415560), (40, 3520114), (52, 2707780), (65, 2166224), (80, 1760057), (104, 1353890), (130, 1083112), (208, 676945), (260, 541556), (520, 270778), (1040, 135389)]