13881040

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1039}}^1$

素因数の和:1219

約数の個数: 40

約数和(自身を含む): 32497920

約数和(自身を除く): 18616880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1039, 1336, 1670, 2078, 2672, 3340, 4156, 5195, 6680, 8312, 10390, 13360, 16624, 20780, 41560, 83120, 173513, 347026, 694052, 867565, 1388104, 1735130, 2776208, 3470260, 6940520, 13881040]

約数ペア:

[(1, 13881040), (2, 6940520), (4, 3470260), (5, 2776208), (8, 1735130), (10, 1388104), (16, 867565), (20, 694052), (40, 347026), (80, 173513), (167, 83120), (334, 41560), (668, 20780), (835, 16624), (1039, 13360), (1336, 10390), (1670, 8312), (2078, 6680), (2672, 5195), (3340, 4156)]