39354640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{479}}^1$

素因数の和:584

約数の個数: 80

約数和(自身を含む): 99993600

約数和(自身を除く): 60638960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 79, 80, 104, 130, 158, 208, 260, 316, 395, 479, 520, 632, 790, 958, 1027, 1040, 1264, 1580, 1916, 2054, 2395, 3160, 3832, 4108, 4790, 5135, 6227, 6320, 7664, 8216, 9580, 10270, 12454, 16432, 19160, 20540, 24908, 31135, 37841, 38320, 41080, 49816, 62270, 75682, 82160, 99632, 124540, 151364, 189205, 249080, 302728, 378410, 491933, 498160, 605456, 756820, 983866, 1513640, 1967732, 2459665, 3027280, 3935464, 4919330, 7870928, 9838660, 19677320, 39354640]

約数ペア:

[(1, 39354640), (2, 19677320), (4, 9838660), (5, 7870928), (8, 4919330), (10, 3935464), (13, 3027280), (16, 2459665), (20, 1967732), (26, 1513640), (40, 983866), (52, 756820), (65, 605456), (79, 498160), (80, 491933), (104, 378410), (130, 302728), (158, 249080), (208, 189205), (260, 151364), (316, 124540), (395, 99632), (479, 82160), (520, 75682), (632, 62270), (790, 49816), (958, 41080), (1027, 38320), (1040, 37841), (1264, 31135), (1580, 24908), (1916, 20540), (2054, 19160), (2395, 16432), (3160, 12454), (3832, 10270), (4108, 9580), (4790, 8216), (5135, 7664), (6227, 6320)]