55320440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197573}}^1$

素因数の和:197591

約数の個数: 32

約数和(自身を含む): 142253280

約数和(自身を除く): 86932840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 197573, 395146, 790292, 987865, 1383011, 1580584, 1975730, 2766022, 3951460, 5532044, 6915055, 7902920, 11064088, 13830110, 27660220, 55320440]

約数ペア:

[(1, 55320440), (2, 27660220), (4, 13830110), (5, 11064088), (7, 7902920), (8, 6915055), (10, 5532044), (14, 3951460), (20, 2766022), (28, 1975730), (35, 1580584), (40, 1383011), (56, 987865), (70, 790292), (140, 395146), (280, 197573)]