38990640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12497}}^1$

素因数の和:12526

約数の個数: 80

約数和(自身を含む): 130179168

約数和(自身を除く): 91188528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 12497, 24994, 37491, 49988, 62485, 74982, 99976, 124970, 149964, 162461, 187455, 199952, 249940, 299928, 324922, 374910, 487383, 499880, 599856, 649844, 749820, 812305, 974766, 999760, 1299688, 1499640, 1624610, 1949532, 2436915, 2599376, 2999280, 3249220, 3899064, 4873830, 6498440, 7798128, 9747660, 12996880, 19495320, 38990640]

約数ペア:

[(1, 38990640), (2, 19495320), (3, 12996880), (4, 9747660), (5, 7798128), (6, 6498440), (8, 4873830), (10, 3899064), (12, 3249220), (13, 2999280), (15, 2599376), (16, 2436915), (20, 1949532), (24, 1624610), (26, 1499640), (30, 1299688), (39, 999760), (40, 974766), (48, 812305), (52, 749820), (60, 649844), (65, 599856), (78, 499880), (80, 487383), (104, 374910), (120, 324922), (130, 299928), (156, 249940), (195, 199952), (208, 187455), (240, 162461), (260, 149964), (312, 124970), (390, 99976), (520, 74982), (624, 62485), (780, 49988), (1040, 37491), (1560, 24994), (3120, 12497)]