8007860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1217}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 19643904

約数和(自身を除く): 11636044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1217, 1316, 1645, 2434, 3290, 4868, 6085, 6580, 8519, 12170, 17038, 24340, 34076, 42595, 57199, 85190, 114398, 170380, 228796, 285995, 400393, 571990, 800786, 1143980, 1601572, 2001965, 4003930, 8007860]

約数ペア:

[(1, 8007860), (2, 4003930), (4, 2001965), (5, 1601572), (7, 1143980), (10, 800786), (14, 571990), (20, 400393), (28, 285995), (35, 228796), (47, 170380), (70, 114398), (94, 85190), (140, 57199), (188, 42595), (235, 34076), (329, 24340), (470, 17038), (658, 12170), (940, 8519), (1217, 6580), (1316, 6085), (1645, 4868), (2434, 3290)]