1288894340

素因数分解:

$2^2\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{62507}}^1$

素因数の和:63547

約数の個数: 24

約数和(自身を含む): 2709346752

約数和(自身を除く): 1420452412

約数列:

[1, 2, 4, 5, 10, 20, 1031, 2062, 4124, 5155, 10310, 20620, 62507, 125014, 250028, 312535, 625070, 1250140, 64444717, 128889434, 257778868, 322223585, 644447170, 1288894340]

約数ペア:

[(1, 1288894340), (2, 644447170), (4, 322223585), (5, 257778868), (10, 128889434), (20, 64444717), (1031, 1250140), (2062, 625070), (4124, 312535), (5155, 250028), (10310, 125014), (20620, 62507)]