253669648520

素因数分解:

$2^3\times 5^1\times {\mathrm{6341741213}}^1$

素因数の和:6341741224

約数の個数: 16

約数和(自身を含む): 570756709260

約数和(自身を除く): 317087060740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6341741213, 12683482426, 25366964852, 31708706065, 50733929704, 63417412130, 126834824260, 253669648520]

約数ペア:

[(1, 253669648520), (2, 126834824260), (4, 63417412130), (5, 50733929704), (8, 31708706065), (10, 25366964852), (20, 12683482426), (40, 6341741213)]