4209777680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1697491}}^1$

素因数の和:1697535

約数の個数: 40

約数和(自身を含む): 10103472384

約数和(自身を除く): 5893694704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 1697491, 3394982, 6789964, 8487455, 13579928, 16974910, 27159856, 33949820, 52622221, 67899640, 105244442, 135799280, 210488884, 263111105, 420977768, 526222210, 841955536, 1052444420, 2104888840, 4209777680]

約数ペア:

[(1, 4209777680), (2, 2104888840), (4, 1052444420), (5, 841955536), (8, 526222210), (10, 420977768), (16, 263111105), (20, 210488884), (31, 135799280), (40, 105244442), (62, 67899640), (80, 52622221), (124, 33949820), (155, 27159856), (248, 16974910), (310, 13579928), (496, 8487455), (620, 6789964), (1240, 3394982), (2480, 1697491)]