101405980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4937}}^1$

素因数の和:5038

約数の個数: 48

約数和(自身を含む): 232283520

約数和(自身を除く): 130877540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 4937, 5135, 9874, 10270, 19748, 20540, 24685, 49370, 64181, 98740, 128362, 256724, 320905, 390023, 641810, 780046, 1283620, 1560092, 1950115, 3900230, 5070299, 7800460, 10140598, 20281196, 25351495, 50702990, 101405980]

約数ペア:

[(1, 101405980), (2, 50702990), (4, 25351495), (5, 20281196), (10, 10140598), (13, 7800460), (20, 5070299), (26, 3900230), (52, 1950115), (65, 1560092), (79, 1283620), (130, 780046), (158, 641810), (260, 390023), (316, 320905), (395, 256724), (790, 128362), (1027, 98740), (1580, 64181), (2054, 49370), (4108, 24685), (4937, 20540), (5135, 19748), (9874, 10270)]