66898780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3257}}^1$

素因数の和:3358

約数の個数: 48

約数和(自身を含む): 153256320

約数和(自身を除く): 86357540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 3257, 4108, 5135, 6514, 10270, 13028, 16285, 20540, 32570, 42341, 65140, 84682, 169364, 211705, 257303, 423410, 514606, 846820, 1029212, 1286515, 2573030, 3344939, 5146060, 6689878, 13379756, 16724695, 33449390, 66898780]

約数ペア:

[(1, 66898780), (2, 33449390), (4, 16724695), (5, 13379756), (10, 6689878), (13, 5146060), (20, 3344939), (26, 2573030), (52, 1286515), (65, 1029212), (79, 846820), (130, 514606), (158, 423410), (260, 257303), (316, 211705), (395, 169364), (790, 84682), (1027, 65140), (1580, 42341), (2054, 32570), (3257, 20540), (4108, 16285), (5135, 13028), (6514, 10270)]