80488420

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{48487}}^1$

素因数の和:48579

約数の個数: 24

約数和(自身を含む): 171065664

約数和(自身を除く): 90577244

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 48487, 96974, 193948, 242435, 484870, 969740, 4024421, 8048842, 16097684, 20122105, 40244210, 80488420]

約数ペア:

[(1, 80488420), (2, 40244210), (4, 20122105), (5, 16097684), (10, 8048842), (20, 4024421), (83, 969740), (166, 484870), (332, 242435), (415, 193948), (830, 96974), (1660, 48487)]