256035520

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61547}}^1$

素因数の和:61577

約数の個数: 56

約数和(自身を含む): 656594064

約数和(自身を除く): 400558544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 61547, 123094, 246188, 307735, 492376, 615470, 800111, 984752, 1230940, 1600222, 1969504, 2461880, 3200444, 3939008, 4000555, 4923760, 6400888, 8001110, 9847520, 12801776, 16002220, 19695040, 25603552, 32004440, 51207104, 64008880, 128017760, 256035520]

約数ペア:

[(1, 256035520), (2, 128017760), (4, 64008880), (5, 51207104), (8, 32004440), (10, 25603552), (13, 19695040), (16, 16002220), (20, 12801776), (26, 9847520), (32, 8001110), (40, 6400888), (52, 4923760), (64, 4000555), (65, 3939008), (80, 3200444), (104, 2461880), (130, 1969504), (160, 1600222), (208, 1230940), (260, 984752), (320, 800111), (416, 615470), (520, 492376), (832, 307735), (1040, 246188), (2080, 123094), (4160, 61547)]