42508880

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{5261}}^1$

素因数の和:5375

約数の個数: 40

約数和(自身を含む): 99830664

約数和(自身を除く): 57321784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 5261, 8080, 10522, 21044, 26305, 42088, 52610, 84176, 105220, 210440, 420880, 531361, 1062722, 2125444, 2656805, 4250888, 5313610, 8501776, 10627220, 21254440, 42508880]

約数ペア:

[(1, 42508880), (2, 21254440), (4, 10627220), (5, 8501776), (8, 5313610), (10, 4250888), (16, 2656805), (20, 2125444), (40, 1062722), (80, 531361), (101, 420880), (202, 210440), (404, 105220), (505, 84176), (808, 52610), (1010, 42088), (1616, 26305), (2020, 21044), (4040, 10522), (5261, 8080)]