19751560

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4889}}^1$

素因数の和:5001

約数の個数: 32

約数和(自身を含む): 44890200

約数和(自身を除く): 25138640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 4889, 9778, 19556, 24445, 39112, 48890, 97780, 195560, 493789, 987578, 1975156, 2468945, 3950312, 4937890, 9875780, 19751560]

約数ペア:

[(1, 19751560), (2, 9875780), (4, 4937890), (5, 3950312), (8, 2468945), (10, 1975156), (20, 987578), (40, 493789), (101, 195560), (202, 97780), (404, 48890), (505, 39112), (808, 24445), (1010, 19556), (2020, 9778), (4040, 4889)]