804901880

素因数分解:

$2^3\times 5^1\times {\mathrm{2389}}^1\times {\mathrm{8423}}^1$

素因数の和:10823

約数の個数: 32

約数和(自身を含む): 1812002400

約数和(自身を除く): 1007100520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2389, 4778, 8423, 9556, 11945, 16846, 19112, 23890, 33692, 42115, 47780, 67384, 84230, 95560, 168460, 336920, 20122547, 40245094, 80490188, 100612735, 160980376, 201225470, 402450940, 804901880]

約数ペア:

[(1, 804901880), (2, 402450940), (4, 201225470), (5, 160980376), (8, 100612735), (10, 80490188), (20, 40245094), (40, 20122547), (2389, 336920), (4778, 168460), (8423, 95560), (9556, 84230), (11945, 67384), (16846, 47780), (19112, 42115), (23890, 33692)]