8528240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:274

約数の個数: 80

約数和(自身を含む): 23040192

約数和(自身を除く): 14511952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 140, 157, 194, 280, 314, 388, 485, 560, 628, 679, 776, 785, 970, 1099, 1256, 1358, 1552, 1570, 1940, 2198, 2512, 2716, 3140, 3395, 3880, 4396, 5432, 5495, 6280, 6790, 7760, 8792, 10864, 10990, 12560, 13580, 15229, 17584, 21980, 27160, 30458, 43960, 54320, 60916, 76145, 87920, 106603, 121832, 152290, 213206, 243664, 304580, 426412, 533015, 609160, 852824, 1066030, 1218320, 1705648, 2132060, 4264120, 8528240]

約数ペア:

[(1, 8528240), (2, 4264120), (4, 2132060), (5, 1705648), (7, 1218320), (8, 1066030), (10, 852824), (14, 609160), (16, 533015), (20, 426412), (28, 304580), (35, 243664), (40, 213206), (56, 152290), (70, 121832), (80, 106603), (97, 87920), (112, 76145), (140, 60916), (157, 54320), (194, 43960), (280, 30458), (314, 27160), (388, 21980), (485, 17584), (560, 15229), (628, 13580), (679, 12560), (776, 10990), (785, 10864), (970, 8792), (1099, 7760), (1256, 6790), (1358, 6280), (1552, 5495), (1570, 5432), (1940, 4396), (2198, 3880), (2512, 3395), (2716, 3140)]