161346380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{26981}}^1$

素因数の和:27026

約数の個数: 48

約数和(自身を含む): 380769984

約数和(自身を除く): 219423604

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 26981, 53962, 107924, 134905, 269810, 350753, 539620, 620563, 701506, 1241126, 1403012, 1753765, 2482252, 3102815, 3507530, 6205630, 7015060, 8067319, 12411260, 16134638, 32269276, 40336595, 80673190, 161346380]

約数ペア:

[(1, 161346380), (2, 80673190), (4, 40336595), (5, 32269276), (10, 16134638), (13, 12411260), (20, 8067319), (23, 7015060), (26, 6205630), (46, 3507530), (52, 3102815), (65, 2482252), (92, 1753765), (115, 1403012), (130, 1241126), (230, 701506), (260, 620563), (299, 539620), (460, 350753), (598, 269810), (1196, 134905), (1495, 107924), (2990, 53962), (5980, 26981)]