64948460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2551}}^1$

素因数の和:2646

約数の個数: 48

約数和(自身を含む): 145770240

約数和(自身を除く): 80821780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 268, 335, 380, 670, 1273, 1340, 2546, 2551, 5092, 5102, 6365, 10204, 12730, 12755, 25460, 25510, 48469, 51020, 96938, 170917, 193876, 242345, 341834, 484690, 683668, 854585, 969380, 1709170, 3247423, 3418340, 6494846, 12989692, 16237115, 32474230, 64948460]

約数ペア:

[(1, 64948460), (2, 32474230), (4, 16237115), (5, 12989692), (10, 6494846), (19, 3418340), (20, 3247423), (38, 1709170), (67, 969380), (76, 854585), (95, 683668), (134, 484690), (190, 341834), (268, 242345), (335, 193876), (380, 170917), (670, 96938), (1273, 51020), (1340, 48469), (2546, 25510), (2551, 25460), (5092, 12755), (5102, 12730), (6365, 10204)]