89205220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 211115520

約数和(自身を除く): 121910300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 79, 86, 101, 130, 158, 172, 202, 215, 260, 316, 395, 404, 430, 505, 559, 790, 860, 1010, 1027, 1118, 1313, 1580, 2020, 2054, 2236, 2626, 2795, 3397, 4108, 4343, 5135, 5252, 5590, 6565, 6794, 7979, 8686, 10270, 11180, 13130, 13588, 15958, 16985, 17372, 20540, 21715, 26260, 31916, 33970, 39895, 43430, 44161, 56459, 67940, 79790, 86860, 88322, 103727, 112918, 159580, 176644, 207454, 220805, 225836, 282295, 343097, 414908, 441610, 518635, 564590, 686194, 883220, 1037270, 1129180, 1372388, 1715485, 2074540, 3430970, 4460261, 6861940, 8920522, 17841044, 22301305, 44602610, 89205220]

約数ペア:

[(1, 89205220), (2, 44602610), (4, 22301305), (5, 17841044), (10, 8920522), (13, 6861940), (20, 4460261), (26, 3430970), (43, 2074540), (52, 1715485), (65, 1372388), (79, 1129180), (86, 1037270), (101, 883220), (130, 686194), (158, 564590), (172, 518635), (202, 441610), (215, 414908), (260, 343097), (316, 282295), (395, 225836), (404, 220805), (430, 207454), (505, 176644), (559, 159580), (790, 112918), (860, 103727), (1010, 88322), (1027, 86860), (1118, 79790), (1313, 67940), (1580, 56459), (2020, 44161), (2054, 43430), (2236, 39895), (2626, 33970), (2795, 31916), (3397, 26260), (4108, 21715), (4343, 20540), (5135, 17372), (5252, 16985), (5590, 15958), (6565, 13588), (6794, 13130), (7979, 11180), (8686, 10270)]