171095920

素因数分解:

$2^4\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{1619}}^1$

素因数の和:2953

約数の個数: 40

約数和(自身を含む): 398345040

約数和(自身を除く): 227249120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1321, 1619, 2642, 3238, 5284, 6476, 6605, 8095, 10568, 12952, 13210, 16190, 21136, 25904, 26420, 32380, 52840, 64760, 105680, 129520, 2138699, 4277398, 8554796, 10693495, 17109592, 21386990, 34219184, 42773980, 85547960, 171095920]

約数ペア:

[(1, 171095920), (2, 85547960), (4, 42773980), (5, 34219184), (8, 21386990), (10, 17109592), (16, 10693495), (20, 8554796), (40, 4277398), (80, 2138699), (1321, 129520), (1619, 105680), (2642, 64760), (3238, 52840), (5284, 32380), (6476, 26420), (6605, 25904), (8095, 21136), (10568, 16190), (12952, 13210)]