2029040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1951}}^1$

素因数の和:1977

約数の個数: 40

約数和(自身を含む): 5083008

約数和(自身を除く): 3053968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1951, 3902, 7804, 9755, 15608, 19510, 25363, 31216, 39020, 50726, 78040, 101452, 126815, 156080, 202904, 253630, 405808, 507260, 1014520, 2029040]

約数ペア:

[(1, 2029040), (2, 1014520), (4, 507260), (5, 405808), (8, 253630), (10, 202904), (13, 156080), (16, 126815), (20, 101452), (26, 78040), (40, 50726), (52, 39020), (65, 31216), (80, 25363), (104, 19510), (130, 15608), (208, 9755), (260, 7804), (520, 3902), (1040, 1951)]