12821276240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9427409}}^1$

素因数の和:9427439

約数の個数: 40

約数和(自身を含む): 31562968680

約数和(自身を除く): 18741692440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 9427409, 18854818, 37709636, 47137045, 75419272, 94274090, 150838544, 160265953, 188548180, 320531906, 377096360, 641063812, 754192720, 801329765, 1282127624, 1602659530, 2564255248, 3205319060, 6410638120, 12821276240]

約数ペア:

[(1, 12821276240), (2, 6410638120), (4, 3205319060), (5, 2564255248), (8, 1602659530), (10, 1282127624), (16, 801329765), (17, 754192720), (20, 641063812), (34, 377096360), (40, 320531906), (68, 188548180), (80, 160265953), (85, 150838544), (136, 94274090), (170, 75419272), (272, 47137045), (340, 37709636), (680, 18854818), (1360, 9427409)]