71693920

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2749}}^1$

素因数の和:2927

約数の個数: 48

約数和(自身を含む): 170478000

約数和(自身を除く): 98784080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 815, 1304, 1630, 2608, 2749, 3260, 5216, 5498, 6520, 10996, 13040, 13745, 21992, 26080, 27490, 43984, 54980, 87968, 109960, 219920, 439840, 448087, 896174, 1792348, 2240435, 3584696, 4480870, 7169392, 8961740, 14338784, 17923480, 35846960, 71693920]

約数ペア:

[(1, 71693920), (2, 35846960), (4, 17923480), (5, 14338784), (8, 8961740), (10, 7169392), (16, 4480870), (20, 3584696), (32, 2240435), (40, 1792348), (80, 896174), (160, 448087), (163, 439840), (326, 219920), (652, 109960), (815, 87968), (1304, 54980), (1630, 43984), (2608, 27490), (2749, 26080), (3260, 21992), (5216, 13745), (5498, 13040), (6520, 10996)]