31478240

素因数分解:

$2^5\times 5^1\times {\mathrm{196739}}^1$

素因数の和:196754

約数の個数: 24

約数和(自身を含む): 74367720

約数和(自身を除く): 42889480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 196739, 393478, 786956, 983695, 1573912, 1967390, 3147824, 3934780, 6295648, 7869560, 15739120, 31478240]

約数ペア:

[(1, 31478240), (2, 15739120), (4, 7869560), (5, 6295648), (8, 3934780), (10, 3147824), (16, 1967390), (20, 1573912), (32, 983695), (40, 786956), (80, 393478), (160, 196739)]