201643880

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{10267}}^1$

素因数の和:10769

約数の個数: 32

約数和(自身を含む): 454667040

約数和(自身を除く): 253023160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4910, 9820, 10267, 19640, 20534, 41068, 51335, 82136, 102670, 205340, 410680, 5041097, 10082194, 20164388, 25205485, 40328776, 50410970, 100821940, 201643880]

約数ペア:

[(1, 201643880), (2, 100821940), (4, 50410970), (5, 40328776), (8, 25205485), (10, 20164388), (20, 10082194), (40, 5041097), (491, 410680), (982, 205340), (1964, 102670), (2455, 82136), (3928, 51335), (4910, 41068), (9820, 20534), (10267, 19640)]