2041040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{823}}^1$

素因数の和:867

約数の個数: 40

約数和(自身を含む): 4904448

約数和(自身を除く): 2863408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 823, 1240, 1646, 2480, 3292, 4115, 6584, 8230, 13168, 16460, 25513, 32920, 51026, 65840, 102052, 127565, 204104, 255130, 408208, 510260, 1020520, 2041040]

約数ペア:

[(1, 2041040), (2, 1020520), (4, 510260), (5, 408208), (8, 255130), (10, 204104), (16, 127565), (20, 102052), (31, 65840), (40, 51026), (62, 32920), (80, 25513), (124, 16460), (155, 13168), (248, 8230), (310, 6584), (496, 4115), (620, 3292), (823, 2480), (1240, 1646)]