74668520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{35221}}^1$

素因数の和:35285

約数の個数: 32

約数和(自身を含む): 171178920

約数和(自身を除く): 96510400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 35221, 70442, 140884, 176105, 281768, 352210, 704420, 1408840, 1866713, 3733426, 7466852, 9333565, 14933704, 18667130, 37334260, 74668520]

約数ペア:

[(1, 74668520), (2, 37334260), (4, 18667130), (5, 14933704), (8, 9333565), (10, 7466852), (20, 3733426), (40, 1866713), (53, 1408840), (106, 704420), (212, 352210), (265, 281768), (424, 176105), (530, 140884), (1060, 70442), (2120, 35221)]