84705140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{3163}}^1$

素因数の和:3288

約数の個数: 48

約数和(自身を含む): 193484928

約数和(自身を除く): 108779788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 412, 515, 1030, 1339, 2060, 2678, 3163, 5356, 6326, 6695, 12652, 13390, 15815, 26780, 31630, 41119, 63260, 82238, 164476, 205595, 325789, 411190, 651578, 822380, 1303156, 1628945, 3257890, 4235257, 6515780, 8470514, 16941028, 21176285, 42352570, 84705140]

約数ペア:

[(1, 84705140), (2, 42352570), (4, 21176285), (5, 16941028), (10, 8470514), (13, 6515780), (20, 4235257), (26, 3257890), (52, 1628945), (65, 1303156), (103, 822380), (130, 651578), (206, 411190), (260, 325789), (412, 205595), (515, 164476), (1030, 82238), (1339, 63260), (2060, 41119), (2678, 31630), (3163, 26780), (5356, 15815), (6326, 13390), (6695, 12652)]