65431780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{1381}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 144877824

約数和(自身を除く): 79446044

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 103, 115, 206, 230, 412, 460, 515, 1030, 1381, 2060, 2369, 2762, 4738, 5524, 6905, 9476, 11845, 13810, 23690, 27620, 31763, 47380, 63526, 127052, 142243, 158815, 284486, 317630, 568972, 635260, 711215, 1422430, 2844860, 3271589, 6543178, 13086356, 16357945, 32715890, 65431780]

約数ペア:

[(1, 65431780), (2, 32715890), (4, 16357945), (5, 13086356), (10, 6543178), (20, 3271589), (23, 2844860), (46, 1422430), (92, 711215), (103, 635260), (115, 568972), (206, 317630), (230, 284486), (412, 158815), (460, 142243), (515, 127052), (1030, 63526), (1381, 47380), (2060, 31763), (2369, 27620), (2762, 23690), (4738, 13810), (5524, 11845), (6905, 9476)]