64867760

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{15299}}^1$

素因数の和:15365

約数の個数: 40

約数和(自身を含む): 153673200

約数和(自身を除く): 88805440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 15299, 30598, 61196, 76495, 122392, 152990, 244784, 305980, 611960, 810847, 1223920, 1621694, 3243388, 4054235, 6486776, 8108470, 12973552, 16216940, 32433880, 64867760]

約数ペア:

[(1, 64867760), (2, 32433880), (4, 16216940), (5, 12973552), (8, 8108470), (10, 6486776), (16, 4054235), (20, 3243388), (40, 1621694), (53, 1223920), (80, 810847), (106, 611960), (212, 305980), (265, 244784), (424, 152990), (530, 122392), (848, 76495), (1060, 61196), (2120, 30598), (4240, 15299)]