17915560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 43908480

約数和(自身を除く): 25992920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 131, 260, 262, 263, 520, 524, 526, 655, 1048, 1052, 1310, 1315, 1703, 2104, 2620, 2630, 3406, 3419, 5240, 5260, 6812, 6838, 8515, 10520, 13624, 13676, 17030, 17095, 27352, 34060, 34190, 34453, 68120, 68380, 68906, 136760, 137812, 172265, 275624, 344530, 447889, 689060, 895778, 1378120, 1791556, 2239445, 3583112, 4478890, 8957780, 17915560]

約数ペア:

[(1, 17915560), (2, 8957780), (4, 4478890), (5, 3583112), (8, 2239445), (10, 1791556), (13, 1378120), (20, 895778), (26, 689060), (40, 447889), (52, 344530), (65, 275624), (104, 172265), (130, 137812), (131, 136760), (260, 68906), (262, 68380), (263, 68120), (520, 34453), (524, 34190), (526, 34060), (655, 27352), (1048, 17095), (1052, 17030), (1310, 13676), (1315, 13624), (1703, 10520), (2104, 8515), (2620, 6838), (2630, 6812), (3406, 5260), (3419, 5240)]