202326680

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{13003}}^1$

素因数の和:13403

約数の個数: 32

約数和(自身を含む): 456440400

約数和(自身を除く): 254113720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 7780, 13003, 15560, 26006, 52012, 65015, 104024, 130030, 260060, 520120, 5058167, 10116334, 20232668, 25290835, 40465336, 50581670, 101163340, 202326680]

約数ペア:

[(1, 202326680), (2, 101163340), (4, 50581670), (5, 40465336), (8, 25290835), (10, 20232668), (20, 10116334), (40, 5058167), (389, 520120), (778, 260060), (1556, 130030), (1945, 104024), (3112, 65015), (3890, 52012), (7780, 26006), (13003, 15560)]