82417840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 199987200

約数和(自身を除く): 117569360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 167, 199, 248, 310, 334, 398, 496, 620, 668, 796, 835, 995, 1240, 1336, 1592, 1670, 1990, 2480, 2672, 3184, 3340, 3980, 5177, 6169, 6680, 7960, 10354, 12338, 13360, 15920, 20708, 24676, 25885, 30845, 33233, 41416, 49352, 51770, 61690, 66466, 82832, 98704, 103540, 123380, 132932, 166165, 207080, 246760, 265864, 332330, 414160, 493520, 531728, 664660, 1030223, 1329320, 2060446, 2658640, 4120892, 5151115, 8241784, 10302230, 16483568, 20604460, 41208920, 82417840]

約数ペア:

[(1, 82417840), (2, 41208920), (4, 20604460), (5, 16483568), (8, 10302230), (10, 8241784), (16, 5151115), (20, 4120892), (31, 2658640), (40, 2060446), (62, 1329320), (80, 1030223), (124, 664660), (155, 531728), (167, 493520), (199, 414160), (248, 332330), (310, 265864), (334, 246760), (398, 207080), (496, 166165), (620, 132932), (668, 123380), (796, 103540), (835, 98704), (995, 82832), (1240, 66466), (1336, 61690), (1592, 51770), (1670, 49352), (1990, 41416), (2480, 33233), (2672, 30845), (3184, 25885), (3340, 24676), (3980, 20708), (5177, 15920), (6169, 13360), (6680, 12338), (7960, 10354)]