31450720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{28081}}^1$

素因数の和:28103

約数の個数: 48

約数和(自身を含む): 84919968

約数和(自身を除く): 53469248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 28081, 56162, 112324, 140405, 196567, 224648, 280810, 393134, 449296, 561620, 786268, 898592, 982835, 1123240, 1572536, 1965670, 2246480, 3145072, 3931340, 4492960, 6290144, 7862680, 15725360, 31450720]

約数ペア:

[(1, 31450720), (2, 15725360), (4, 7862680), (5, 6290144), (7, 4492960), (8, 3931340), (10, 3145072), (14, 2246480), (16, 1965670), (20, 1572536), (28, 1123240), (32, 982835), (35, 898592), (40, 786268), (56, 561620), (70, 449296), (80, 393134), (112, 280810), (140, 224648), (160, 196567), (224, 140405), (280, 112324), (560, 56162), (1120, 28081)]