1738709440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{417959}}^1$

素因数の和:417989

約数の個数: 56

約数和(自身を含む): 4458797280

約数和(自身を除く): 2720087840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 417959, 835918, 1671836, 2089795, 3343672, 4179590, 5433467, 6687344, 8359180, 10866934, 13374688, 16718360, 21733868, 26749376, 27167335, 33436720, 43467736, 54334670, 66873440, 86935472, 108669340, 133746880, 173870944, 217338680, 347741888, 434677360, 869354720, 1738709440]

約数ペア:

[(1, 1738709440), (2, 869354720), (4, 434677360), (5, 347741888), (8, 217338680), (10, 173870944), (13, 133746880), (16, 108669340), (20, 86935472), (26, 66873440), (32, 54334670), (40, 43467736), (52, 33436720), (64, 27167335), (65, 26749376), (80, 21733868), (104, 16718360), (130, 13374688), (160, 10866934), (208, 8359180), (260, 6687344), (320, 5433467), (416, 4179590), (520, 3343672), (832, 2089795), (1040, 1671836), (2080, 835918), (4160, 417959)]