87985120

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23909}}^1$

素因数の和:23947

約数の個数: 48

約数和(自身を含む): 216911520

約数和(自身を除く): 128926400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 23909, 47818, 95636, 119545, 191272, 239090, 382544, 478180, 549907, 765088, 956360, 1099814, 1912720, 2199628, 2749535, 3825440, 4399256, 5499070, 8798512, 10998140, 17597024, 21996280, 43992560, 87985120]

約数ペア:

[(1, 87985120), (2, 43992560), (4, 21996280), (5, 17597024), (8, 10998140), (10, 8798512), (16, 5499070), (20, 4399256), (23, 3825440), (32, 2749535), (40, 2199628), (46, 1912720), (80, 1099814), (92, 956360), (115, 765088), (160, 549907), (184, 478180), (230, 382544), (368, 239090), (460, 191272), (736, 119545), (920, 95636), (1840, 47818), (3680, 23909)]