2090240

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:115

約数の個数: 72

約数和(自身を含む): 5298048

約数和(自身を除く): 3207808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 71, 80, 92, 115, 128, 142, 160, 184, 230, 256, 284, 320, 355, 368, 460, 568, 640, 710, 736, 920, 1136, 1280, 1420, 1472, 1633, 1840, 2272, 2840, 2944, 3266, 3680, 4544, 5680, 5888, 6532, 7360, 8165, 9088, 11360, 13064, 14720, 16330, 18176, 22720, 26128, 29440, 32660, 45440, 52256, 65320, 90880, 104512, 130640, 209024, 261280, 418048, 522560, 1045120, 2090240]

約数ペア:

[(1, 2090240), (2, 1045120), (4, 522560), (5, 418048), (8, 261280), (10, 209024), (16, 130640), (20, 104512), (23, 90880), (32, 65320), (40, 52256), (46, 45440), (64, 32660), (71, 29440), (80, 26128), (92, 22720), (115, 18176), (128, 16330), (142, 14720), (160, 13064), (184, 11360), (230, 9088), (256, 8165), (284, 7360), (320, 6532), (355, 5888), (368, 5680), (460, 4544), (568, 3680), (640, 3266), (710, 2944), (736, 2840), (920, 2272), (1136, 1840), (1280, 1633), (1420, 1472)]