13309874780

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{761}}^1\times {\mathrm{2029}}^1$

素因数の和:3230

約数の個数: 48

約数和(自身を含む): 28066227840

約数和(自身を除く): 14756353060

約数列:

[1, 2, 4, 5, 10, 20, 431, 761, 862, 1522, 1724, 2029, 2155, 3044, 3805, 4058, 4310, 7610, 8116, 8620, 10145, 15220, 20290, 40580, 327991, 655982, 874499, 1311964, 1544069, 1639955, 1748998, 3088138, 3279910, 3497996, 4372495, 6176276, 6559820, 7720345, 8744990, 15440690, 17489980, 30881380, 665493739, 1330987478, 2661974956, 3327468695, 6654937390, 13309874780]

約数ペア:

[(1, 13309874780), (2, 6654937390), (4, 3327468695), (5, 2661974956), (10, 1330987478), (20, 665493739), (431, 30881380), (761, 17489980), (862, 15440690), (1522, 8744990), (1724, 7720345), (2029, 6559820), (2155, 6176276), (3044, 4372495), (3805, 3497996), (4058, 3279910), (4310, 3088138), (7610, 1748998), (8116, 1639955), (8620, 1544069), (10145, 1311964), (15220, 874499), (20290, 655982), (40580, 327991)]