38470640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:618

約数の個数: 80

約数和(自身を含む): 97868736

約数和(自身を除く): 59398096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 142, 208, 260, 284, 355, 520, 521, 568, 710, 923, 1040, 1042, 1136, 1420, 1846, 2084, 2605, 2840, 3692, 4168, 4615, 5210, 5680, 6773, 7384, 8336, 9230, 10420, 13546, 14768, 18460, 20840, 27092, 33865, 36920, 36991, 41680, 54184, 67730, 73840, 73982, 108368, 135460, 147964, 184955, 270920, 295928, 369910, 480883, 541840, 591856, 739820, 961766, 1479640, 1923532, 2404415, 2959280, 3847064, 4808830, 7694128, 9617660, 19235320, 38470640]

約数ペア:

[(1, 38470640), (2, 19235320), (4, 9617660), (5, 7694128), (8, 4808830), (10, 3847064), (13, 2959280), (16, 2404415), (20, 1923532), (26, 1479640), (40, 961766), (52, 739820), (65, 591856), (71, 541840), (80, 480883), (104, 369910), (130, 295928), (142, 270920), (208, 184955), (260, 147964), (284, 135460), (355, 108368), (520, 73982), (521, 73840), (568, 67730), (710, 54184), (923, 41680), (1040, 36991), (1042, 36920), (1136, 33865), (1420, 27092), (1846, 20840), (2084, 18460), (2605, 14768), (2840, 13546), (3692, 10420), (4168, 9230), (4615, 8336), (5210, 7384), (5680, 6773)]