89696840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{36761}}^1$

素因数の和:36833

約数の個数: 32

約数和(自身を含む): 205131960

約数和(自身を除く): 115435120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 36761, 73522, 147044, 183805, 294088, 367610, 735220, 1470440, 2242421, 4484842, 8969684, 11212105, 17939368, 22424210, 44848420, 89696840]

約数ペア:

[(1, 89696840), (2, 44848420), (4, 22424210), (5, 17939368), (8, 11212105), (10, 8969684), (20, 4484842), (40, 2242421), (61, 1470440), (122, 735220), (244, 367610), (305, 294088), (488, 183805), (610, 147044), (1220, 73522), (2440, 36761)]