131252720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71333}}^1$

素因数の和:71369

約数の個数: 40

約数和(自身を含む): 318434976

約数和(自身を除く): 187182256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 71333, 142666, 285332, 356665, 570664, 713330, 1141328, 1426660, 1640659, 2853320, 3281318, 5706640, 6562636, 8203295, 13125272, 16406590, 26250544, 32813180, 65626360, 131252720]

約数ペア:

[(1, 131252720), (2, 65626360), (4, 32813180), (5, 26250544), (8, 16406590), (10, 13125272), (16, 8203295), (20, 6562636), (23, 5706640), (40, 3281318), (46, 2853320), (80, 1640659), (92, 1426660), (115, 1141328), (184, 713330), (230, 570664), (368, 356665), (460, 285332), (920, 142666), (1840, 71333)]