2785040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1123}}^1$

素因数の和:1167

約数の個数: 40

約数和(自身を含む): 6690048

約数和(自身を除く): 3905008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1123, 1240, 2246, 2480, 4492, 5615, 8984, 11230, 17968, 22460, 34813, 44920, 69626, 89840, 139252, 174065, 278504, 348130, 557008, 696260, 1392520, 2785040]

約数ペア:

[(1, 2785040), (2, 1392520), (4, 696260), (5, 557008), (8, 348130), (10, 278504), (16, 174065), (20, 139252), (31, 89840), (40, 69626), (62, 44920), (80, 34813), (124, 22460), (155, 17968), (248, 11230), (310, 8984), (496, 5615), (620, 4492), (1123, 2480), (1240, 2246)]