40535440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{631}}^1$

素因数の和:728

約数の個数: 80

約数和(自身を含む): 104386176

約数和(自身を除く): 63850736

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 73, 80, 88, 110, 146, 176, 220, 292, 365, 440, 584, 631, 730, 803, 880, 1168, 1262, 1460, 1606, 2524, 2920, 3155, 3212, 4015, 5048, 5840, 6310, 6424, 6941, 8030, 10096, 12620, 12848, 13882, 16060, 25240, 27764, 32120, 34705, 46063, 50480, 55528, 64240, 69410, 92126, 111056, 138820, 184252, 230315, 277640, 368504, 460630, 506693, 555280, 737008, 921260, 1013386, 1842520, 2026772, 2533465, 3685040, 4053544, 5066930, 8107088, 10133860, 20267720, 40535440]

約数ペア:

[(1, 40535440), (2, 20267720), (4, 10133860), (5, 8107088), (8, 5066930), (10, 4053544), (11, 3685040), (16, 2533465), (20, 2026772), (22, 1842520), (40, 1013386), (44, 921260), (55, 737008), (73, 555280), (80, 506693), (88, 460630), (110, 368504), (146, 277640), (176, 230315), (220, 184252), (292, 138820), (365, 111056), (440, 92126), (584, 69410), (631, 64240), (730, 55528), (803, 50480), (880, 46063), (1168, 34705), (1262, 32120), (1460, 27764), (1606, 25240), (2524, 16060), (2920, 13882), (3155, 12848), (3212, 12620), (4015, 10096), (5048, 8030), (5840, 6941), (6310, 6424)]