208049680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83891}}^1$

素因数の和:83935

約数の個数: 40

約数和(自身を含む): 499325184

約数和(自身を除く): 291275504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 83891, 167782, 335564, 419455, 671128, 838910, 1342256, 1677820, 2600621, 3355640, 5201242, 6711280, 10402484, 13003105, 20804968, 26006210, 41609936, 52012420, 104024840, 208049680]

約数ペア:

[(1, 208049680), (2, 104024840), (4, 52012420), (5, 41609936), (8, 26006210), (10, 20804968), (16, 13003105), (20, 10402484), (31, 6711280), (40, 5201242), (62, 3355640), (80, 2600621), (124, 1677820), (155, 1342256), (248, 838910), (310, 671128), (496, 419455), (620, 335564), (1240, 167782), (2480, 83891)]