87850480

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6737}}^1$

素因数の和:6913

約数の個数: 40

約数和(自身を含む): 205535952

約数和(自身を除く): 117685472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 6737, 13040, 13474, 26948, 33685, 53896, 67370, 107792, 134740, 269480, 538960, 1098131, 2196262, 4392524, 5490655, 8785048, 10981310, 17570096, 21962620, 43925240, 87850480]

約数ペア:

[(1, 87850480), (2, 43925240), (4, 21962620), (5, 17570096), (8, 10981310), (10, 8785048), (16, 5490655), (20, 4392524), (40, 2196262), (80, 1098131), (163, 538960), (326, 269480), (652, 134740), (815, 107792), (1304, 67370), (1630, 53896), (2608, 33685), (3260, 26948), (6520, 13474), (6737, 13040)]