261003460

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{157231}}^1$

素因数の和:157323

約数の個数: 24

約数和(自身を含む): 554714496

約数和(自身を除く): 293711036

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 157231, 314462, 628924, 786155, 1572310, 3144620, 13050173, 26100346, 52200692, 65250865, 130501730, 261003460]

約数ペア:

[(1, 261003460), (2, 130501730), (4, 65250865), (5, 52200692), (10, 26100346), (20, 13050173), (83, 3144620), (166, 1572310), (332, 786155), (415, 628924), (830, 314462), (1660, 157231)]