31160020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{25541}}^1$

素因数の和:25611

約数の個数: 24

約数和(自身を含む): 66511368

約数和(自身を除く): 35351348

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 25541, 51082, 102164, 127705, 255410, 510820, 1558001, 3116002, 6232004, 7790005, 15580010, 31160020]

約数ペア:

[(1, 31160020), (2, 15580010), (4, 7790005), (5, 6232004), (10, 3116002), (20, 1558001), (61, 510820), (122, 255410), (244, 127705), (305, 102164), (610, 51082), (1220, 25541)]