31153040

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{16931}}^1$

素因数の和:16967

約数の個数: 40

約数和(自身を含む): 75584448

約数和(自身を除く): 44431408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 16931, 33862, 67724, 84655, 135448, 169310, 270896, 338620, 389413, 677240, 778826, 1354480, 1557652, 1947065, 3115304, 3894130, 6230608, 7788260, 15576520, 31153040]

約数ペア:

[(1, 31153040), (2, 15576520), (4, 7788260), (5, 6230608), (8, 3894130), (10, 3115304), (16, 1947065), (20, 1557652), (23, 1354480), (40, 778826), (46, 677240), (80, 389413), (92, 338620), (115, 270896), (184, 169310), (230, 135448), (368, 84655), (460, 67724), (920, 33862), (1840, 16931)]