64008880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61547}}^1$

素因数の和:61573

約数の個数: 40

約数和(自身を含む): 160270992

約数和(自身を除く): 96262112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 61547, 123094, 246188, 307735, 492376, 615470, 800111, 984752, 1230940, 1600222, 2461880, 3200444, 4000555, 4923760, 6400888, 8001110, 12801776, 16002220, 32004440, 64008880]

約数ペア:

[(1, 64008880), (2, 32004440), (4, 16002220), (5, 12801776), (8, 8001110), (10, 6400888), (13, 4923760), (16, 4000555), (20, 3200444), (26, 2461880), (40, 1600222), (52, 1230940), (65, 984752), (80, 800111), (104, 615470), (130, 492376), (208, 307735), (260, 246188), (520, 123094), (1040, 61547)]