31405360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{56081}}^1$

素因数の和:56101

約数の個数: 40

約数和(自身を含む): 83450016

約数和(自身を除く): 52044656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 56081, 112162, 224324, 280405, 392567, 448648, 560810, 785134, 897296, 1121620, 1570268, 1962835, 2243240, 3140536, 3925670, 4486480, 6281072, 7851340, 15702680, 31405360]

約数ペア:

[(1, 31405360), (2, 15702680), (4, 7851340), (5, 6281072), (7, 4486480), (8, 3925670), (10, 3140536), (14, 2243240), (16, 1962835), (20, 1570268), (28, 1121620), (35, 897296), (40, 785134), (56, 560810), (70, 448648), (80, 392567), (112, 280405), (140, 224324), (280, 112162), (560, 56081)]