808101220

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{89989}}^1$

素因数の和:90447

約数の個数: 24

約数和(自身を含む): 1700811000

約数和(自身を除く): 892709780

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 4490, 8980, 89989, 179978, 359956, 449945, 899890, 1799780, 40405061, 80810122, 161620244, 202025305, 404050610, 808101220]

約数ペア:

[(1, 808101220), (2, 404050610), (4, 202025305), (5, 161620244), (10, 80810122), (20, 40405061), (449, 1799780), (898, 899890), (1796, 449945), (2245, 359956), (4490, 179978), (8980, 89989)]