8390590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 64

約数和(自身を含む): 17740800

約数和(自身を除く): 9350210

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 43, 65, 79, 86, 95, 130, 158, 190, 215, 247, 395, 430, 494, 559, 790, 817, 1027, 1118, 1235, 1501, 1634, 2054, 2470, 2795, 3002, 3397, 4085, 5135, 5590, 6794, 7505, 8170, 10270, 10621, 15010, 16985, 19513, 21242, 33970, 39026, 44161, 53105, 64543, 88322, 97565, 106210, 129086, 195130, 220805, 322715, 441610, 645430, 839059, 1678118, 4195295, 8390590]

約数ペア:

[(1, 8390590), (2, 4195295), (5, 1678118), (10, 839059), (13, 645430), (19, 441610), (26, 322715), (38, 220805), (43, 195130), (65, 129086), (79, 106210), (86, 97565), (95, 88322), (130, 64543), (158, 53105), (190, 44161), (215, 39026), (247, 33970), (395, 21242), (430, 19513), (494, 16985), (559, 15010), (790, 10621), (817, 10270), (1027, 8170), (1118, 7505), (1235, 6794), (1501, 5590), (1634, 5135), (2054, 4085), (2470, 3397), (2795, 3002)]