8947120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1229}}^1$

素因数の和:1262

約数の個数: 80

約数和(自身を含む): 25623360

約数和(自身を除く): 16676240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1229, 1456, 1820, 2458, 3640, 4916, 6145, 7280, 8603, 9832, 12290, 15977, 17206, 19664, 24580, 31954, 34412, 43015, 49160, 63908, 68824, 79885, 86030, 98320, 111839, 127816, 137648, 159770, 172060, 223678, 255632, 319540, 344120, 447356, 559195, 639080, 688240, 894712, 1118390, 1278160, 1789424, 2236780, 4473560, 8947120]

約数ペア:

[(1, 8947120), (2, 4473560), (4, 2236780), (5, 1789424), (7, 1278160), (8, 1118390), (10, 894712), (13, 688240), (14, 639080), (16, 559195), (20, 447356), (26, 344120), (28, 319540), (35, 255632), (40, 223678), (52, 172060), (56, 159770), (65, 137648), (70, 127816), (80, 111839), (91, 98320), (104, 86030), (112, 79885), (130, 68824), (140, 63908), (182, 49160), (208, 43015), (260, 34412), (280, 31954), (364, 24580), (455, 19664), (520, 17206), (560, 15977), (728, 12290), (910, 9832), (1040, 8603), (1229, 7280), (1456, 6145), (1820, 4916), (2458, 3640)]