2178719120

素因数分解:

$2^4\times 5^1\times {\mathrm{3433}}^1\times {\mathrm{7933}}^1$

素因数の和:11379

約数の個数: 40

約数和(自身を含む): 5067636216

約数和(自身を除く): 2888917096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3433, 6866, 7933, 13732, 15866, 17165, 27464, 31732, 34330, 39665, 54928, 63464, 68660, 79330, 126928, 137320, 158660, 274640, 317320, 634640, 27233989, 54467978, 108935956, 136169945, 217871912, 272339890, 435743824, 544679780, 1089359560, 2178719120]

約数ペア:

[(1, 2178719120), (2, 1089359560), (4, 544679780), (5, 435743824), (8, 272339890), (10, 217871912), (16, 136169945), (20, 108935956), (40, 54467978), (80, 27233989), (3433, 634640), (6866, 317320), (7933, 274640), (13732, 158660), (15866, 137320), (17165, 126928), (27464, 79330), (31732, 68660), (34330, 63464), (39665, 54928)]