51918640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{34157}}^1$

素因数の和:34189

約数の個数: 40

約数和(自身を含む): 127067760

約数和(自身を除く): 75149120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 34157, 68314, 136628, 170785, 273256, 341570, 546512, 648983, 683140, 1297966, 1366280, 2595932, 2732560, 3244915, 5191864, 6489830, 10383728, 12979660, 25959320, 51918640]

約数ペア:

[(1, 51918640), (2, 25959320), (4, 12979660), (5, 10383728), (8, 6489830), (10, 5191864), (16, 3244915), (19, 2732560), (20, 2595932), (38, 1366280), (40, 1297966), (76, 683140), (80, 648983), (95, 546512), (152, 341570), (190, 273256), (304, 170785), (380, 136628), (760, 68314), (1520, 34157)]