80860390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1723}}^1$

素因数の和:1781

約数の個数: 48

約数和(自身を含む): 165524688

約数和(自身を除く): 84664298

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 361, 494, 722, 1235, 1723, 1805, 2470, 3446, 3610, 4693, 8615, 9386, 17230, 22399, 23465, 32737, 44798, 46930, 65474, 111995, 163685, 223990, 327370, 425581, 622003, 851162, 1244006, 2127905, 3110015, 4255810, 6220030, 8086039, 16172078, 40430195, 80860390]

約数ペア:

[(1, 80860390), (2, 40430195), (5, 16172078), (10, 8086039), (13, 6220030), (19, 4255810), (26, 3110015), (38, 2127905), (65, 1244006), (95, 851162), (130, 622003), (190, 425581), (247, 327370), (361, 223990), (494, 163685), (722, 111995), (1235, 65474), (1723, 46930), (1805, 44798), (2470, 32737), (3446, 23465), (3610, 22399), (4693, 17230), (8615, 9386)]