78339680

素因数分解:

$2^5\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1163}}^1$

素因数の和:1599

約数の個数: 48

約数和(自身を含む): 185676624

約数和(自身を除く): 107336944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 421, 842, 1163, 1684, 2105, 2326, 3368, 4210, 4652, 5815, 6736, 8420, 9304, 11630, 13472, 16840, 18608, 23260, 33680, 37216, 46520, 67360, 93040, 186080, 489623, 979246, 1958492, 2448115, 3916984, 4896230, 7833968, 9792460, 15667936, 19584920, 39169840, 78339680]

約数ペア:

[(1, 78339680), (2, 39169840), (4, 19584920), (5, 15667936), (8, 9792460), (10, 7833968), (16, 4896230), (20, 3916984), (32, 2448115), (40, 1958492), (80, 979246), (160, 489623), (421, 186080), (842, 93040), (1163, 67360), (1684, 46520), (2105, 37216), (2326, 33680), (3368, 23260), (4210, 18608), (4652, 16840), (5815, 13472), (6736, 11630), (8420, 9304)]