81920590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 163722240

約数和(自身を除く): 81801650

約数列:

[1, 2, 5, 10, 19, 37, 38, 43, 74, 86, 95, 185, 190, 215, 271, 370, 430, 542, 703, 817, 1355, 1406, 1591, 1634, 2710, 3182, 3515, 4085, 5149, 7030, 7955, 8170, 10027, 10298, 11653, 15910, 20054, 23306, 25745, 30229, 50135, 51490, 58265, 60458, 100270, 116530, 151145, 190513, 221407, 302290, 381026, 431161, 442814, 862322, 952565, 1107035, 1905130, 2155805, 2214070, 4311610, 8192059, 16384118, 40960295, 81920590]

約数ペア:

[(1, 81920590), (2, 40960295), (5, 16384118), (10, 8192059), (19, 4311610), (37, 2214070), (38, 2155805), (43, 1905130), (74, 1107035), (86, 952565), (95, 862322), (185, 442814), (190, 431161), (215, 381026), (271, 302290), (370, 221407), (430, 190513), (542, 151145), (703, 116530), (817, 100270), (1355, 60458), (1406, 58265), (1591, 51490), (1634, 50135), (2710, 30229), (3182, 25745), (3515, 23306), (4085, 20054), (5149, 15910), (7030, 11653), (7955, 10298), (8170, 10027)]