8055970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2050

約数の個数: 32

約数和(自身を含む): 16128000

約数和(自身を除く): 8072030

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 1999, 2015, 3998, 4030, 9995, 19990, 25987, 51974, 61969, 123938, 129935, 259870, 309845, 619690, 805597, 1611194, 4027985, 8055970]

約数ペア:

[(1, 8055970), (2, 4027985), (5, 1611194), (10, 805597), (13, 619690), (26, 309845), (31, 259870), (62, 129935), (65, 123938), (130, 61969), (155, 51974), (310, 25987), (403, 19990), (806, 9995), (1999, 4030), (2015, 3998)]