20194152040

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1129}}^1\times {\mathrm{1871}}^1$

素因数の和:3250

約数の個数: 64

約数和(自身を含む): 45691776000

約数和(自身を除く): 25497623960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1129, 1195, 1871, 1912, 2258, 2390, 3742, 4516, 4780, 5645, 7484, 9032, 9355, 9560, 11290, 14968, 18710, 22580, 37420, 45160, 74840, 269831, 447169, 539662, 894338, 1079324, 1349155, 1788676, 2112359, 2158648, 2235845, 2698310, 3577352, 4224718, 4471690, 5396620, 8449436, 8943380, 10561795, 10793240, 16898872, 17886760, 21123590, 42247180, 84494360, 504853801, 1009707602, 2019415204, 2524269005, 4038830408, 5048538010, 10097076020, 20194152040]

約数ペア:

[(1, 20194152040), (2, 10097076020), (4, 5048538010), (5, 4038830408), (8, 2524269005), (10, 2019415204), (20, 1009707602), (40, 504853801), (239, 84494360), (478, 42247180), (956, 21123590), (1129, 17886760), (1195, 16898872), (1871, 10793240), (1912, 10561795), (2258, 8943380), (2390, 8449436), (3742, 5396620), (4516, 4471690), (4780, 4224718), (5645, 3577352), (7484, 2698310), (9032, 2235845), (9355, 2158648), (9560, 2112359), (11290, 1788676), (14968, 1349155), (18710, 1079324), (22580, 894338), (37420, 539662), (45160, 447169), (74840, 269831)]