15513040

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{8431}}^1$

素因数の和:8467

約数の個数: 40

約数和(自身を含む): 37640448

約数和(自身を除く): 22127408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 8431, 16862, 33724, 42155, 67448, 84310, 134896, 168620, 193913, 337240, 387826, 674480, 775652, 969565, 1551304, 1939130, 3102608, 3878260, 7756520, 15513040]

約数ペア:

[(1, 15513040), (2, 7756520), (4, 3878260), (5, 3102608), (8, 1939130), (10, 1551304), (16, 969565), (20, 775652), (23, 674480), (40, 387826), (46, 337240), (80, 193913), (92, 168620), (115, 134896), (184, 84310), (230, 67448), (368, 42155), (460, 33724), (920, 16862), (1840, 8431)]