66225440

素因数分解:

$2^5\times 5^1\times {\mathrm{599}}^1\times {\mathrm{691}}^1$

素因数の和:1305

約数の個数: 48

約数和(自身を含む): 156945600

約数和(自身を除く): 90720160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 599, 691, 1198, 1382, 2396, 2764, 2995, 3455, 4792, 5528, 5990, 6910, 9584, 11056, 11980, 13820, 19168, 22112, 23960, 27640, 47920, 55280, 95840, 110560, 413909, 827818, 1655636, 2069545, 3311272, 4139090, 6622544, 8278180, 13245088, 16556360, 33112720, 66225440]

約数ペア:

[(1, 66225440), (2, 33112720), (4, 16556360), (5, 13245088), (8, 8278180), (10, 6622544), (16, 4139090), (20, 3311272), (32, 2069545), (40, 1655636), (80, 827818), (160, 413909), (599, 110560), (691, 95840), (1198, 55280), (1382, 47920), (2396, 27640), (2764, 23960), (2995, 22112), (3455, 19168), (4792, 13820), (5528, 11980), (5990, 11056), (6910, 9584)]