670299440

素因数分解:

$2^4\times 5^1\times {\mathrm{419}}^1\times {\mathrm{19997}}^1$

素因数の和:20429

約数の個数: 40

約数和(自身を含む): 1562243760

約数和(自身を除く): 891944320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 419, 838, 1676, 2095, 3352, 4190, 6704, 8380, 16760, 19997, 33520, 39994, 79988, 99985, 159976, 199970, 319952, 399940, 799880, 1599760, 8378743, 16757486, 33514972, 41893715, 67029944, 83787430, 134059888, 167574860, 335149720, 670299440]

約数ペア:

[(1, 670299440), (2, 335149720), (4, 167574860), (5, 134059888), (8, 83787430), (10, 67029944), (16, 41893715), (20, 33514972), (40, 16757486), (80, 8378743), (419, 1599760), (838, 799880), (1676, 399940), (2095, 319952), (3352, 199970), (4190, 159976), (6704, 99985), (8380, 79988), (16760, 39994), (19997, 33520)]