3290720

素因数分解:

$2^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:303

約数の個数: 48

約数和(自身を含む): 7883568

約数和(自身を除く): 4592848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 131, 157, 160, 262, 314, 524, 628, 655, 785, 1048, 1256, 1310, 1570, 2096, 2512, 2620, 3140, 4192, 5024, 5240, 6280, 10480, 12560, 20567, 20960, 25120, 41134, 82268, 102835, 164536, 205670, 329072, 411340, 658144, 822680, 1645360, 3290720]

約数ペア:

[(1, 3290720), (2, 1645360), (4, 822680), (5, 658144), (8, 411340), (10, 329072), (16, 205670), (20, 164536), (32, 102835), (40, 82268), (80, 41134), (131, 25120), (157, 20960), (160, 20567), (262, 12560), (314, 10480), (524, 6280), (628, 5240), (655, 5024), (785, 4192), (1048, 3140), (1256, 2620), (1310, 2512), (1570, 2096)]