31175320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{70853}}^1$

素因数の和:70875

約数の個数: 32

約数和(自身を含む): 76522320

約数和(自身を除く): 45347000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 70853, 141706, 283412, 354265, 566824, 708530, 779383, 1417060, 1558766, 2834120, 3117532, 3896915, 6235064, 7793830, 15587660, 31175320]

約数ペア:

[(1, 31175320), (2, 15587660), (4, 7793830), (5, 6235064), (8, 3896915), (10, 3117532), (11, 2834120), (20, 1558766), (22, 1417060), (40, 779383), (44, 708530), (55, 566824), (88, 354265), (110, 283412), (220, 141706), (440, 70853)]