3628280

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1487}}^1$

素因数の和:1559

約数の個数: 32

約数和(自身を含む): 8303040

約数和(自身を除く): 4674760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 1487, 2440, 2974, 5948, 7435, 11896, 14870, 29740, 59480, 90707, 181414, 362828, 453535, 725656, 907070, 1814140, 3628280]

約数ペア:

[(1, 3628280), (2, 1814140), (4, 907070), (5, 725656), (8, 453535), (10, 362828), (20, 181414), (40, 90707), (61, 59480), (122, 29740), (244, 14870), (305, 11896), (488, 7435), (610, 5948), (1220, 2974), (1487, 2440)]