145689680

素因数分解:

$2^4\times 5^1\times {\mathrm{1821121}}^1$

素因数の和:1821134

約数の個数: 20

約数和(自身を含む): 338728692

約数和(自身を除く): 193039012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1821121, 3642242, 7284484, 9105605, 14568968, 18211210, 29137936, 36422420, 72844840, 145689680]

約数ペア:

[(1, 145689680), (2, 72844840), (4, 36422420), (5, 29137936), (8, 18211210), (10, 14568968), (16, 9105605), (20, 7284484), (40, 3642242), (80, 1821121)]