200318180

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{20399}}^1$

素因数の和:20899

約数の個数: 24

約数和(自身を含む): 421545600

約数和(自身を除く): 221227420

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 20399, 40798, 81596, 101995, 203990, 407980, 10015909, 20031818, 40063636, 50079545, 100159090, 200318180]

約数ペア:

[(1, 200318180), (2, 100159090), (4, 50079545), (5, 40063636), (10, 20031818), (20, 10015909), (491, 407980), (982, 203990), (1964, 101995), (2455, 81596), (4910, 40798), (9820, 20399)]