28022960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1$

素因数の和:490

約数の個数: 80

約数和(自身を含む): 75161856

約数和(自身を除く): 47138896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 163, 280, 307, 326, 560, 614, 652, 815, 1141, 1228, 1304, 1535, 1630, 2149, 2282, 2456, 2608, 3070, 3260, 4298, 4564, 4912, 5705, 6140, 6520, 8596, 9128, 10745, 11410, 12280, 13040, 17192, 18256, 21490, 22820, 24560, 34384, 42980, 45640, 50041, 85960, 91280, 100082, 171920, 200164, 250205, 350287, 400328, 500410, 700574, 800656, 1000820, 1401148, 1751435, 2001640, 2802296, 3502870, 4003280, 5604592, 7005740, 14011480, 28022960]

約数ペア:

[(1, 28022960), (2, 14011480), (4, 7005740), (5, 5604592), (7, 4003280), (8, 3502870), (10, 2802296), (14, 2001640), (16, 1751435), (20, 1401148), (28, 1000820), (35, 800656), (40, 700574), (56, 500410), (70, 400328), (80, 350287), (112, 250205), (140, 200164), (163, 171920), (280, 100082), (307, 91280), (326, 85960), (560, 50041), (614, 45640), (652, 42980), (815, 34384), (1141, 24560), (1228, 22820), (1304, 21490), (1535, 18256), (1630, 17192), (2149, 13040), (2282, 12280), (2456, 11410), (2608, 10745), (3070, 9128), (3260, 8596), (4298, 6520), (4564, 6140), (4912, 5705)]