1900128520

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{78259}}^1$

素因数の和:78877

約数の個数: 32

約数和(自身を含む): 4282387200

約数和(自身を除く): 2382258680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 1214, 2428, 3035, 4856, 6070, 12140, 24280, 78259, 156518, 313036, 391295, 626072, 782590, 1565180, 3130360, 47503213, 95006426, 190012852, 237516065, 380025704, 475032130, 950064260, 1900128520]

約数ペア:

[(1, 1900128520), (2, 950064260), (4, 475032130), (5, 380025704), (8, 237516065), (10, 190012852), (20, 95006426), (40, 47503213), (607, 3130360), (1214, 1565180), (2428, 782590), (3035, 626072), (4856, 391295), (6070, 313036), (12140, 156518), (24280, 78259)]