13305075920

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{427541}}^1$

素因数の和:427943

約数の個数: 40

約数和(自身を含む): 31013896680

約数和(自身を除く): 17708820760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1556, 1945, 3112, 3890, 6224, 7780, 15560, 31120, 427541, 855082, 1710164, 2137705, 3420328, 4275410, 6840656, 8550820, 17101640, 34203280, 166313449, 332626898, 665253796, 831567245, 1330507592, 1663134490, 2661015184, 3326268980, 6652537960, 13305075920]

約数ペア:

[(1, 13305075920), (2, 6652537960), (4, 3326268980), (5, 2661015184), (8, 1663134490), (10, 1330507592), (16, 831567245), (20, 665253796), (40, 332626898), (80, 166313449), (389, 34203280), (778, 17101640), (1556, 8550820), (1945, 6840656), (3112, 4275410), (3890, 3420328), (6224, 2137705), (7780, 1710164), (15560, 855082), (31120, 427541)]