15673937680

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{399031}}^1$

素因数の和:399535

約数の個数: 40

約数和(自身を含む): 36516216384

約数和(自身を除く): 20842278704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1964, 2455, 3928, 4910, 7856, 9820, 19640, 39280, 399031, 798062, 1596124, 1995155, 3192248, 3990310, 6384496, 7980620, 15961240, 31922480, 195924221, 391848442, 783696884, 979621105, 1567393768, 1959242210, 3134787536, 3918484420, 7836968840, 15673937680]

約数ペア:

[(1, 15673937680), (2, 7836968840), (4, 3918484420), (5, 3134787536), (8, 1959242210), (10, 1567393768), (16, 979621105), (20, 783696884), (40, 391848442), (80, 195924221), (491, 31922480), (982, 15961240), (1964, 7980620), (2455, 6384496), (3928, 3990310), (4910, 3192248), (7856, 1995155), (9820, 1596124), (19640, 798062), (39280, 399031)]