77480080

素因数分解:

$2^4\times 5^1\times {\mathrm{968501}}^1$

素因数の和:968514

約数の個数: 20

約数和(自身を含む): 180141372

約数和(自身を除く): 102661292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 968501, 1937002, 3874004, 4842505, 7748008, 9685010, 15496016, 19370020, 38740040, 77480080]

約数ペア:

[(1, 77480080), (2, 38740040), (4, 19370020), (5, 15496016), (8, 9685010), (10, 7748008), (16, 4842505), (20, 3874004), (40, 1937002), (80, 968501)]