2009263760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{115741}}^1$

素因数の和:115792

約数の個数: 80

約数和(自身を含む): 5511171072

約数和(自身を除く): 3501907312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 115741, 231482, 462964, 578705, 810187, 925928, 1157410, 1620374, 1851856, 2314820, 3240748, 3587971, 4050935, 4629640, 6481496, 7175942, 8101870, 9259280, 12962992, 14351884, 16203740, 17939855, 25115797, 28703768, 32407480, 35879710, 50231594, 57407536, 64814960, 71759420, 100463188, 125578985, 143518840, 200926376, 251157970, 287037680, 401852752, 502315940, 1004631880, 2009263760]

約数ペア:

[(1, 2009263760), (2, 1004631880), (4, 502315940), (5, 401852752), (7, 287037680), (8, 251157970), (10, 200926376), (14, 143518840), (16, 125578985), (20, 100463188), (28, 71759420), (31, 64814960), (35, 57407536), (40, 50231594), (56, 35879710), (62, 32407480), (70, 28703768), (80, 25115797), (112, 17939855), (124, 16203740), (140, 14351884), (155, 12962992), (217, 9259280), (248, 8101870), (280, 7175942), (310, 6481496), (434, 4629640), (496, 4050935), (560, 3587971), (620, 3240748), (868, 2314820), (1085, 1851856), (1240, 1620374), (1736, 1157410), (2170, 925928), (2480, 810187), (3472, 578705), (4340, 462964), (8680, 231482), (17360, 115741)]