1568276980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{19309}}^1$

素因数の和:19480

約数の個数: 48

約数和(自身を含む): 3425748480

約数和(自身を除く): 1857471500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 155, 262, 310, 524, 620, 655, 1310, 2620, 4061, 8122, 16244, 19309, 20305, 38618, 40610, 77236, 81220, 96545, 193090, 386180, 598579, 1197158, 2394316, 2529479, 2992895, 5058958, 5985790, 10117916, 11971580, 12647395, 25294790, 50589580, 78413849, 156827698, 313655396, 392069245, 784138490, 1568276980]

約数ペア:

[(1, 1568276980), (2, 784138490), (4, 392069245), (5, 313655396), (10, 156827698), (20, 78413849), (31, 50589580), (62, 25294790), (124, 12647395), (131, 11971580), (155, 10117916), (262, 5985790), (310, 5058958), (524, 2992895), (620, 2529479), (655, 2394316), (1310, 1197158), (2620, 598579), (4061, 386180), (8122, 193090), (16244, 96545), (19309, 81220), (20305, 77236), (38618, 40610)]