385995760

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{67957}}^1$

素因数の和:68041

約数の個数: 40

約数和(自身を含む): 910093536

約数和(自身を除く): 524097776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 67957, 135914, 271828, 339785, 543656, 679570, 1087312, 1359140, 2718280, 4824947, 5436560, 9649894, 19299788, 24124735, 38599576, 48249470, 77199152, 96498940, 192997880, 385995760]

約数ペア:

[(1, 385995760), (2, 192997880), (4, 96498940), (5, 77199152), (8, 48249470), (10, 38599576), (16, 24124735), (20, 19299788), (40, 9649894), (71, 5436560), (80, 4824947), (142, 2718280), (284, 1359140), (355, 1087312), (568, 679570), (710, 543656), (1136, 339785), (1420, 271828), (2840, 135914), (5680, 67957)]