267779980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{13037}}^1$

素因数の和:13138

約数の個数: 48

約数和(自身を含む): 613307520

約数和(自身を除く): 345527540

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, 10270, 13037, 20540, 26074, 52148, 65185, 130370, 169481, 260740, 338962, 677924, 847405, 1029923, 1694810, 2059846, 3389620, 4119692, 5149615, 10299230, 13388999, 20598460, 26777998, 53555996, 66944995, 133889990, 267779980]

約数ペア:

[(1, 267779980), (2, 133889990), (4, 66944995), (5, 53555996), (10, 26777998), (13, 20598460), (20, 13388999), (26, 10299230), (52, 5149615), (65, 4119692), (79, 3389620), (130, 2059846), (158, 1694810), (260, 1029923), (316, 847405), (395, 677924), (790, 338962), (1027, 260740), (1580, 169481), (2054, 130370), (4108, 65185), (5135, 52148), (10270, 26074), (13037, 20540)]