1672188880

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{42571}}^1$

素因数の和:43075

約数の個数: 40

約数和(自身を含む): 3895848864

約数和(自身を除く): 2223659984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1964, 2455, 3928, 4910, 7856, 9820, 19640, 39280, 42571, 85142, 170284, 212855, 340568, 425710, 681136, 851420, 1702840, 3405680, 20902361, 41804722, 83609444, 104511805, 167218888, 209023610, 334437776, 418047220, 836094440, 1672188880]

約数ペア:

[(1, 1672188880), (2, 836094440), (4, 418047220), (5, 334437776), (8, 209023610), (10, 167218888), (16, 104511805), (20, 83609444), (40, 41804722), (80, 20902361), (491, 3405680), (982, 1702840), (1964, 851420), (2455, 681136), (3928, 425710), (4910, 340568), (7856, 212855), (9820, 170284), (19640, 85142), (39280, 42571)]