48991960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{72047}}^1$

素因数の和:72075

約数の個数: 32

約数和(自身を含む): 116717760

約数和(自身を除く): 67725800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 72047, 144094, 288188, 360235, 576376, 720470, 1224799, 1440940, 2449598, 2881880, 4899196, 6123995, 9798392, 12247990, 24495980, 48991960]

約数ペア:

[(1, 48991960), (2, 24495980), (4, 12247990), (5, 9798392), (8, 6123995), (10, 4899196), (17, 2881880), (20, 2449598), (34, 1440940), (40, 1224799), (68, 720470), (85, 576376), (136, 360235), (170, 288188), (340, 144094), (680, 72047)]