42981560

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{10639}}^1$

素因数の和:10751

約数の個数: 32

約数和(自身を含む): 97675200

約数和(自身を除く): 54693640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 10639, 21278, 42556, 53195, 85112, 106390, 212780, 425560, 1074539, 2149078, 4298156, 5372695, 8596312, 10745390, 21490780, 42981560]

約数ペア:

[(1, 42981560), (2, 21490780), (4, 10745390), (5, 8596312), (8, 5372695), (10, 4298156), (20, 2149078), (40, 1074539), (101, 425560), (202, 212780), (404, 106390), (505, 85112), (808, 53195), (1010, 42556), (2020, 21278), (4040, 10639)]