28549640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101963}}^1$

素因数の和:101981

約数の個数: 32

約数和(自身を含む): 73414080

約数和(自身を除く): 44864440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 101963, 203926, 407852, 509815, 713741, 815704, 1019630, 1427482, 2039260, 2854964, 3568705, 4078520, 5709928, 7137410, 14274820, 28549640]

約数ペア:

[(1, 28549640), (2, 14274820), (4, 7137410), (5, 5709928), (7, 4078520), (8, 3568705), (10, 2854964), (14, 2039260), (20, 1427482), (28, 1019630), (35, 815704), (40, 713741), (56, 509815), (70, 407852), (140, 203926), (280, 101963)]