47789740

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{28789}}^1$

素因数の和:28881

約数の個数: 24

約数和(自身を含む): 101571120

約数和(自身を除く): 53781380

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 28789, 57578, 115156, 143945, 287890, 575780, 2389487, 4778974, 9557948, 11947435, 23894870, 47789740]

約数ペア:

[(1, 47789740), (2, 23894870), (4, 11947435), (5, 9557948), (10, 4778974), (20, 2389487), (83, 575780), (166, 287890), (332, 143945), (415, 115156), (830, 57578), (1660, 28789)]