16630640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15991}}^1$

素因数の和:16017

約数の個数: 40

約数和(自身を含む): 41643168

約数和(自身を除く): 25012528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 15991, 31982, 63964, 79955, 127928, 159910, 207883, 255856, 319820, 415766, 639640, 831532, 1039415, 1279280, 1663064, 2078830, 3326128, 4157660, 8315320, 16630640]

約数ペア:

[(1, 16630640), (2, 8315320), (4, 4157660), (5, 3326128), (8, 2078830), (10, 1663064), (13, 1279280), (16, 1039415), (20, 831532), (26, 639640), (40, 415766), (52, 319820), (65, 255856), (80, 207883), (104, 159910), (130, 127928), (208, 79955), (260, 63964), (520, 31982), (1040, 15991)]