40220888

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1033}}^1$

素因数の和:1227

約数の個数: 32

約数和(自身を含む): 78418560

約数和(自身を除く): 38197672

約数列:

[1, 2, 4, 8, 31, 62, 124, 157, 248, 314, 628, 1033, 1256, 2066, 4132, 4867, 8264, 9734, 19468, 32023, 38936, 64046, 128092, 162181, 256184, 324362, 648724, 1297448, 5027611, 10055222, 20110444, 40220888]

約数ペア:

[(1, 40220888), (2, 20110444), (4, 10055222), (8, 5027611), (31, 1297448), (62, 648724), (124, 324362), (157, 256184), (248, 162181), (314, 128092), (628, 64046), (1033, 38936), (1256, 32023), (2066, 19468), (4132, 9734), (4867, 8264)]