65857180

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 141755040

約数和(自身を除く): 75897860

約数列:

[1, 2, 4, 5, 10, 20, 83, 97, 166, 194, 332, 388, 409, 415, 485, 818, 830, 970, 1636, 1660, 1940, 2045, 4090, 8051, 8180, 16102, 32204, 33947, 39673, 40255, 67894, 79346, 80510, 135788, 158692, 161020, 169735, 198365, 339470, 396730, 678940, 793460, 3292859, 6585718, 13171436, 16464295, 32928590, 65857180]

約数ペア:

[(1, 65857180), (2, 32928590), (4, 16464295), (5, 13171436), (10, 6585718), (20, 3292859), (83, 793460), (97, 678940), (166, 396730), (194, 339470), (332, 198365), (388, 169735), (409, 161020), (415, 158692), (485, 135788), (818, 80510), (830, 79346), (970, 67894), (1636, 40255), (1660, 39673), (1940, 33947), (2045, 32204), (4090, 16102), (8051, 8180)]