10921818820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{491531}}^1$

素因数の和:491652

約数の個数: 48

約数和(自身を含む): 25268677056

約数和(自身を除く): 14346858236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 4444, 5555, 11110, 22220, 491531, 983062, 1966124, 2457655, 4915310, 5406841, 9830620, 10813682, 21627364, 27034205, 49644631, 54068410, 99289262, 108136820, 198578524, 248223155, 496446310, 546090941, 992892620, 1092181882, 2184363764, 2730454705, 5460909410, 10921818820]

約数ペア:

[(1, 10921818820), (2, 5460909410), (4, 2730454705), (5, 2184363764), (10, 1092181882), (11, 992892620), (20, 546090941), (22, 496446310), (44, 248223155), (55, 198578524), (101, 108136820), (110, 99289262), (202, 54068410), (220, 49644631), (404, 27034205), (505, 21627364), (1010, 10813682), (1111, 9830620), (2020, 5406841), (2222, 4915310), (4444, 2457655), (5555, 1966124), (11110, 983062), (22220, 491531)]