127770040

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{6131}}^1$

素因数の和:6663

約数の個数: 32

約数和(自身を含む): 288081360

約数和(自身を除く): 160311320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 4168, 5210, 6131, 10420, 12262, 20840, 24524, 30655, 49048, 61310, 122620, 245240, 3194251, 6388502, 12777004, 15971255, 25554008, 31942510, 63885020, 127770040]

約数ペア:

[(1, 127770040), (2, 63885020), (4, 31942510), (5, 25554008), (8, 15971255), (10, 12777004), (20, 6388502), (40, 3194251), (521, 245240), (1042, 122620), (2084, 61310), (2605, 49048), (4168, 30655), (5210, 24524), (6131, 20840), (10420, 12262)]