8156654864

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{4729}}^1$

素因数の和:4912

約数の個数: 80

約数和(自身を含む): 17032540800

約数和(自身を除く): 8875885936

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 86, 92, 109, 172, 184, 218, 344, 368, 436, 688, 872, 989, 1744, 1978, 2507, 3956, 4687, 4729, 5014, 7912, 9374, 9458, 10028, 15824, 18748, 18916, 20056, 37496, 37832, 40112, 74992, 75664, 107801, 108767, 203347, 215602, 217534, 406694, 431204, 435068, 515461, 813388, 862408, 870136, 1030922, 1626776, 1724816, 1740272, 2061844, 3253552, 4123688, 4676981, 8247376, 9353962, 11855603, 18707924, 22164823, 23711206, 37415848, 44329646, 47422412, 74831696, 88659292, 94844824, 177318584, 189689648, 354637168, 509790929, 1019581858, 2039163716, 4078327432, 8156654864]

約数ペア:

[(1, 8156654864), (2, 4078327432), (4, 2039163716), (8, 1019581858), (16, 509790929), (23, 354637168), (43, 189689648), (46, 177318584), (86, 94844824), (92, 88659292), (109, 74831696), (172, 47422412), (184, 44329646), (218, 37415848), (344, 23711206), (368, 22164823), (436, 18707924), (688, 11855603), (872, 9353962), (989, 8247376), (1744, 4676981), (1978, 4123688), (2507, 3253552), (3956, 2061844), (4687, 1740272), (4729, 1724816), (5014, 1626776), (7912, 1030922), (9374, 870136), (9458, 862408), (10028, 813388), (15824, 515461), (18748, 435068), (18916, 431204), (20056, 406694), (37496, 217534), (37832, 215602), (40112, 203347), (74992, 108767), (75664, 107801)]