85223920

素因数分解:

$2^4\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1721}}^1$

素因数の和:2353

約数の個数: 40

約数和(自身を含む): 198581040

約数和(自身を除く): 113357120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 619, 1238, 1721, 2476, 3095, 3442, 4952, 6190, 6884, 8605, 9904, 12380, 13768, 17210, 24760, 27536, 34420, 49520, 68840, 137680, 1065299, 2130598, 4261196, 5326495, 8522392, 10652990, 17044784, 21305980, 42611960, 85223920]

約数ペア:

[(1, 85223920), (2, 42611960), (4, 21305980), (5, 17044784), (8, 10652990), (10, 8522392), (16, 5326495), (20, 4261196), (40, 2130598), (80, 1065299), (619, 137680), (1238, 68840), (1721, 49520), (2476, 34420), (3095, 27536), (3442, 24760), (4952, 17210), (6190, 13768), (6884, 12380), (8605, 9904)]