180813620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{8803}}^1$

素因数の和:8904

約数の個数: 48

約数和(自身を含む): 414140160

約数和(自身を除く): 233326540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 5135, 8803, 10270, 17606, 20540, 35212, 44015, 88030, 114439, 176060, 228878, 457756, 572195, 695437, 1144390, 1390874, 2288780, 2781748, 3477185, 6954370, 9040681, 13908740, 18081362, 36162724, 45203405, 90406810, 180813620]

約数ペア:

[(1, 180813620), (2, 90406810), (4, 45203405), (5, 36162724), (10, 18081362), (13, 13908740), (20, 9040681), (26, 6954370), (52, 3477185), (65, 2781748), (79, 2288780), (130, 1390874), (158, 1144390), (260, 695437), (316, 572195), (395, 457756), (790, 228878), (1027, 176060), (1580, 114439), (2054, 88030), (4108, 44015), (5135, 35212), (8803, 20540), (10270, 17606)]