195428360

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{9791}}^1$

素因数の和:10301

約数の個数: 32

約数和(自身を含む): 440640000

約数和(自身を除く): 245211640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1996, 2495, 3992, 4990, 9791, 9980, 19582, 19960, 39164, 48955, 78328, 97910, 195820, 391640, 4885709, 9771418, 19542836, 24428545, 39085672, 48857090, 97714180, 195428360]

約数ペア:

[(1, 195428360), (2, 97714180), (4, 48857090), (5, 39085672), (8, 24428545), (10, 19542836), (20, 9771418), (40, 4885709), (499, 391640), (998, 195820), (1996, 97910), (2495, 78328), (3992, 48955), (4990, 39164), (9791, 19960), (9980, 19582)]