16986580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{827}}^1$

素因数の和:928

約数の個数: 48

約数和(自身を含む): 38949120

約数和(自身を除く): 21962540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 827, 1027, 1580, 1654, 2054, 3308, 4108, 4135, 5135, 8270, 10270, 10751, 16540, 20540, 21502, 43004, 53755, 65333, 107510, 130666, 215020, 261332, 326665, 653330, 849329, 1306660, 1698658, 3397316, 4246645, 8493290, 16986580]

約数ペア:

[(1, 16986580), (2, 8493290), (4, 4246645), (5, 3397316), (10, 1698658), (13, 1306660), (20, 849329), (26, 653330), (52, 326665), (65, 261332), (79, 215020), (130, 130666), (158, 107510), (260, 65333), (316, 53755), (395, 43004), (790, 21502), (827, 20540), (1027, 16540), (1580, 10751), (1654, 10270), (2054, 8270), (3308, 5135), (4108, 4135)]