21430401680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1\times {\mathrm{23167}}^1$

素因数の和:23584

約数の個数: 80

約数和(自身を含む): 51573080064

約数和(自身を除く): 30142678384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 373, 496, 620, 746, 1240, 1492, 1865, 2480, 2984, 3730, 5968, 7460, 11563, 14920, 23126, 23167, 29840, 46252, 46334, 57815, 92504, 92668, 115630, 115835, 185008, 185336, 231260, 231670, 370672, 462520, 463340, 718177, 925040, 926680, 1436354, 1853360, 2872708, 3590885, 5745416, 7181770, 8641291, 11490832, 14363540, 17282582, 28727080, 34565164, 43206455, 57454160, 69130328, 86412910, 138260656, 172825820, 267880021, 345651640, 535760042, 691303280, 1071520084, 1339400105, 2143040168, 2678800210, 4286080336, 5357600420, 10715200840, 21430401680]

約数ペア:

[(1, 21430401680), (2, 10715200840), (4, 5357600420), (5, 4286080336), (8, 2678800210), (10, 2143040168), (16, 1339400105), (20, 1071520084), (31, 691303280), (40, 535760042), (62, 345651640), (80, 267880021), (124, 172825820), (155, 138260656), (248, 86412910), (310, 69130328), (373, 57454160), (496, 43206455), (620, 34565164), (746, 28727080), (1240, 17282582), (1492, 14363540), (1865, 11490832), (2480, 8641291), (2984, 7181770), (3730, 5745416), (5968, 3590885), (7460, 2872708), (11563, 1853360), (14920, 1436354), (23126, 926680), (23167, 925040), (29840, 718177), (46252, 463340), (46334, 462520), (57815, 370672), (92504, 231670), (92668, 231260), (115630, 185336), (115835, 185008)]