28981360

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9791}}^1$

素因数の和:9841

約数の個数: 40

約数和(自身を含む): 69209856

約数和(自身を除く): 40228496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 9791, 19582, 39164, 48955, 78328, 97910, 156656, 195820, 362267, 391640, 724534, 783280, 1449068, 1811335, 2898136, 3622670, 5796272, 7245340, 14490680, 28981360]

約数ペア:

[(1, 28981360), (2, 14490680), (4, 7245340), (5, 5796272), (8, 3622670), (10, 2898136), (16, 1811335), (20, 1449068), (37, 783280), (40, 724534), (74, 391640), (80, 362267), (148, 195820), (185, 156656), (296, 97910), (370, 78328), (592, 48955), (740, 39164), (1480, 19582), (2960, 9791)]