82160260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{6449}}^1$

素因数の和:6485

約数の個数: 72

約数和(自身を含む): 216178200

約数和(自身を除く): 134017940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 6449, 12740, 12898, 25796, 32245, 45143, 64490, 83837, 90286, 128980, 167674, 180572, 225715, 316001, 335348, 419185, 451430, 586859, 632002, 838370, 902860, 1173718, 1264004, 1580005, 1676740, 2347436, 2934295, 3160010, 4108013, 5868590, 6320020, 8216026, 11737180, 16432052, 20540065, 41080130, 82160260]

約数ペア:

[(1, 82160260), (2, 41080130), (4, 20540065), (5, 16432052), (7, 11737180), (10, 8216026), (13, 6320020), (14, 5868590), (20, 4108013), (26, 3160010), (28, 2934295), (35, 2347436), (49, 1676740), (52, 1580005), (65, 1264004), (70, 1173718), (91, 902860), (98, 838370), (130, 632002), (140, 586859), (182, 451430), (196, 419185), (245, 335348), (260, 316001), (364, 225715), (455, 180572), (490, 167674), (637, 128980), (910, 90286), (980, 83837), (1274, 64490), (1820, 45143), (2548, 32245), (3185, 25796), (6370, 12898), (6449, 12740)]