72042520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163733}}^1$

素因数の和:163755

約数の個数: 32

約数和(自身を含む): 176832720

約数和(自身を除く): 104790200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 163733, 327466, 654932, 818665, 1309864, 1637330, 1801063, 3274660, 3602126, 6549320, 7204252, 9005315, 14408504, 18010630, 36021260, 72042520]

約数ペア:

[(1, 72042520), (2, 36021260), (4, 18010630), (5, 14408504), (8, 9005315), (10, 7204252), (11, 6549320), (20, 3602126), (22, 3274660), (40, 1801063), (44, 1637330), (55, 1309864), (88, 818665), (110, 654932), (220, 327466), (440, 163733)]