99201980

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{15647}}^1$

素因数の和:15973

約数の個数: 24

約数和(自身を含む): 208994688

約数和(自身を除く): 109792708

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 6340, 15647, 31294, 62588, 78235, 156470, 312940, 4960099, 9920198, 19840396, 24800495, 49600990, 99201980]

約数ペア:

[(1, 99201980), (2, 49600990), (4, 24800495), (5, 19840396), (10, 9920198), (20, 4960099), (317, 312940), (634, 156470), (1268, 78235), (1585, 62588), (3170, 31294), (6340, 15647)]