22780880

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1747}}^1$

素因数の和:1923

約数の個数: 40

約数和(自身を含む): 53320992

約数和(自身を除く): 30540112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 1747, 2608, 3260, 3494, 6520, 6988, 8735, 13040, 13976, 17470, 27952, 34940, 69880, 139760, 284761, 569522, 1139044, 1423805, 2278088, 2847610, 4556176, 5695220, 11390440, 22780880]

約数ペア:

[(1, 22780880), (2, 11390440), (4, 5695220), (5, 4556176), (8, 2847610), (10, 2278088), (16, 1423805), (20, 1139044), (40, 569522), (80, 284761), (163, 139760), (326, 69880), (652, 34940), (815, 27952), (1304, 17470), (1630, 13976), (1747, 13040), (2608, 8735), (3260, 6988), (3494, 6520)]