100203280

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2551}}^1$

素因数の和:3055

約数の個数: 40

約数和(自身を含む): 233538624

約数和(自身を除く): 133335344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1964, 2455, 2551, 3928, 4910, 5102, 7856, 9820, 10204, 12755, 19640, 20408, 25510, 39280, 40816, 51020, 102040, 204080, 1252541, 2505082, 5010164, 6262705, 10020328, 12525410, 20040656, 25050820, 50101640, 100203280]

約数ペア:

[(1, 100203280), (2, 50101640), (4, 25050820), (5, 20040656), (8, 12525410), (10, 10020328), (16, 6262705), (20, 5010164), (40, 2505082), (80, 1252541), (491, 204080), (982, 102040), (1964, 51020), (2455, 40816), (2551, 39280), (3928, 25510), (4910, 20408), (5102, 19640), (7856, 12755), (9820, 10204)]