11390440

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1747}}^1$

素因数の和:1921

約数の個数: 32

約数和(自身を含む): 25800480

約数和(自身を除く): 14410040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 1747, 3260, 3494, 6520, 6988, 8735, 13976, 17470, 34940, 69880, 284761, 569522, 1139044, 1423805, 2278088, 2847610, 5695220, 11390440]

約数ペア:

[(1, 11390440), (2, 5695220), (4, 2847610), (5, 2278088), (8, 1423805), (10, 1139044), (20, 569522), (40, 284761), (163, 69880), (326, 34940), (652, 17470), (815, 13976), (1304, 8735), (1630, 6988), (1747, 6520), (3260, 3494)]