12897560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1459}}^1$

素因数の和:1500

約数の個数: 64

約数和(自身を含む): 33112800

約数和(自身を除く): 20215240

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1459, 1768, 2210, 2918, 4420, 5836, 7295, 8840, 11672, 14590, 18967, 24803, 29180, 37934, 49606, 58360, 75868, 94835, 99212, 124015, 151736, 189670, 198424, 248030, 322439, 379340, 496060, 644878, 758680, 992120, 1289756, 1612195, 2579512, 3224390, 6448780, 12897560]

約数ペア:

[(1, 12897560), (2, 6448780), (4, 3224390), (5, 2579512), (8, 1612195), (10, 1289756), (13, 992120), (17, 758680), (20, 644878), (26, 496060), (34, 379340), (40, 322439), (52, 248030), (65, 198424), (68, 189670), (85, 151736), (104, 124015), (130, 99212), (136, 94835), (170, 75868), (221, 58360), (260, 49606), (340, 37934), (442, 29180), (520, 24803), (680, 18967), (884, 14590), (1105, 11672), (1459, 8840), (1768, 7295), (2210, 5836), (2918, 4420)]