338667680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{162821}}^1$

素因数の和:162849

約数の個数: 48

約数和(自身を含む): 861654024

約数和(自身を除く): 522986344

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 162821, 325642, 651284, 814105, 1302568, 1628210, 2116673, 2605136, 3256420, 4233346, 5210272, 6512840, 8466692, 10583365, 13025680, 16933384, 21166730, 26051360, 33866768, 42333460, 67733536, 84666920, 169333840, 338667680]

約数ペア:

[(1, 338667680), (2, 169333840), (4, 84666920), (5, 67733536), (8, 42333460), (10, 33866768), (13, 26051360), (16, 21166730), (20, 16933384), (26, 13025680), (32, 10583365), (40, 8466692), (52, 6512840), (65, 5210272), (80, 4233346), (104, 3256420), (130, 2605136), (160, 2116673), (208, 1628210), (260, 1302568), (416, 814105), (520, 651284), (1040, 325642), (2080, 162821)]