13904120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11213}}^1$

素因数の和:11255

約数の個数: 32

約数和(自身を含む): 32296320

約数和(自身を除く): 18392200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 11213, 22426, 44852, 56065, 89704, 112130, 224260, 347603, 448520, 695206, 1390412, 1738015, 2780824, 3476030, 6952060, 13904120]

約数ペア:

[(1, 13904120), (2, 6952060), (4, 3476030), (5, 2780824), (8, 1738015), (10, 1390412), (20, 695206), (31, 448520), (40, 347603), (62, 224260), (124, 112130), (155, 89704), (248, 56065), (310, 44852), (620, 22426), (1240, 11213)]