82520048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{643}}^1$

素因数の和:1281

約数の個数: 40

約数和(自身を含む): 172728528

約数和(自身を除く): 90208480

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 617, 643, 1234, 1286, 2468, 2572, 4936, 5144, 8021, 8359, 9872, 10288, 16042, 16718, 32084, 33436, 64168, 66872, 128336, 133744, 396731, 793462, 1586924, 3173848, 5157503, 6347696, 10315006, 20630012, 41260024, 82520048]

約数ペア:

[(1, 82520048), (2, 41260024), (4, 20630012), (8, 10315006), (13, 6347696), (16, 5157503), (26, 3173848), (52, 1586924), (104, 793462), (208, 396731), (617, 133744), (643, 128336), (1234, 66872), (1286, 64168), (2468, 33436), (2572, 32084), (4936, 16718), (5144, 16042), (8021, 10288), (8359, 9872)]