2563039880

素因数分解:

$2^3\times 5^1\times {\mathrm{4409}}^1\times {\mathrm{14533}}^1$

素因数の和:18953

約数の個数: 32

約数和(自身を含む): 5768544600

約数和(自身を除く): 3205504720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4409, 8818, 14533, 17636, 22045, 29066, 35272, 44090, 58132, 72665, 88180, 116264, 145330, 176360, 290660, 581320, 64075997, 128151994, 256303988, 320379985, 512607976, 640759970, 1281519940, 2563039880]

約数ペア:

[(1, 2563039880), (2, 1281519940), (4, 640759970), (5, 512607976), (8, 320379985), (10, 256303988), (20, 128151994), (40, 64075997), (4409, 581320), (8818, 290660), (14533, 176360), (17636, 145330), (22045, 116264), (29066, 88180), (35272, 72665), (44090, 58132)]