84640240

素因数分解:

$2^4\times 5^1\times {\mathrm{347}}^1\times {\mathrm{3049}}^1$

素因数の和:3409

約数の個数: 40

約数和(自身を含む): 197420400

約数和(自身を除く): 112780160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347, 694, 1388, 1735, 2776, 3049, 3470, 5552, 6098, 6940, 12196, 13880, 15245, 24392, 27760, 30490, 48784, 60980, 121960, 243920, 1058003, 2116006, 4232012, 5290015, 8464024, 10580030, 16928048, 21160060, 42320120, 84640240]

約数ペア:

[(1, 84640240), (2, 42320120), (4, 21160060), (5, 16928048), (8, 10580030), (10, 8464024), (16, 5290015), (20, 4232012), (40, 2116006), (80, 1058003), (347, 243920), (694, 121960), (1388, 60980), (1735, 48784), (2776, 30490), (3049, 27760), (3470, 24392), (5552, 15245), (6098, 13880), (6940, 12196)]