55039960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{72421}}^1$

素因数の和:72451

約数の個数: 32

約数和(自身を含む): 130359600

約数和(自身を除く): 75319640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 72421, 144842, 289684, 362105, 579368, 724210, 1375999, 1448420, 2751998, 2896840, 5503996, 6879995, 11007992, 13759990, 27519980, 55039960]

約数ペア:

[(1, 55039960), (2, 27519980), (4, 13759990), (5, 11007992), (8, 6879995), (10, 5503996), (19, 2896840), (20, 2751998), (38, 1448420), (40, 1375999), (76, 724210), (95, 579368), (152, 362105), (190, 289684), (380, 144842), (760, 72421)]