65718640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2179}}^1$

素因数の和:2234

約数の個数: 80

約数和(自身を含む): 170301600

約数和(自身を除く): 104582960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 104, 116, 130, 145, 208, 232, 260, 290, 377, 464, 520, 580, 754, 1040, 1160, 1508, 1885, 2179, 2320, 3016, 3770, 4358, 6032, 7540, 8716, 10895, 15080, 17432, 21790, 28327, 30160, 34864, 43580, 56654, 63191, 87160, 113308, 126382, 141635, 174320, 226616, 252764, 283270, 315955, 453232, 505528, 566540, 631910, 821483, 1011056, 1133080, 1263820, 1642966, 2266160, 2527640, 3285932, 4107415, 5055280, 6571864, 8214830, 13143728, 16429660, 32859320, 65718640]

約数ペア:

[(1, 65718640), (2, 32859320), (4, 16429660), (5, 13143728), (8, 8214830), (10, 6571864), (13, 5055280), (16, 4107415), (20, 3285932), (26, 2527640), (29, 2266160), (40, 1642966), (52, 1263820), (58, 1133080), (65, 1011056), (80, 821483), (104, 631910), (116, 566540), (130, 505528), (145, 453232), (208, 315955), (232, 283270), (260, 252764), (290, 226616), (377, 174320), (464, 141635), (520, 126382), (580, 113308), (754, 87160), (1040, 63191), (1160, 56654), (1508, 43580), (1885, 34864), (2179, 30160), (2320, 28327), (3016, 21790), (3770, 17432), (4358, 15080), (6032, 10895), (7540, 8716)]