66259720

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{4441}}^1$

素因数の和:4825

約数の個数: 32

約数和(自身を含む): 149517720

約数和(自身を除く): 83258000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1865, 2984, 3730, 4441, 7460, 8882, 14920, 17764, 22205, 35528, 44410, 88820, 177640, 1656493, 3312986, 6625972, 8282465, 13251944, 16564930, 33129860, 66259720]

約数ペア:

[(1, 66259720), (2, 33129860), (4, 16564930), (5, 13251944), (8, 8282465), (10, 6625972), (20, 3312986), (40, 1656493), (373, 177640), (746, 88820), (1492, 44410), (1865, 35528), (2984, 22205), (3730, 17764), (4441, 14920), (7460, 8882)]