28267460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 69431040

約数和(自身を除く): 41163580

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 29, 46, 52, 58, 65, 92, 115, 116, 130, 145, 163, 230, 260, 290, 299, 326, 377, 460, 580, 598, 652, 667, 754, 815, 1196, 1334, 1495, 1508, 1630, 1885, 2119, 2668, 2990, 3260, 3335, 3749, 3770, 4238, 4727, 5980, 6670, 7498, 7540, 8476, 8671, 9454, 10595, 13340, 14996, 17342, 18745, 18908, 21190, 23635, 34684, 37490, 42380, 43355, 47270, 48737, 61451, 74980, 86710, 94540, 97474, 108721, 122902, 173420, 194948, 217442, 243685, 245804, 307255, 434884, 487370, 543605, 614510, 974740, 1087210, 1229020, 1413373, 2174420, 2826746, 5653492, 7066865, 14133730, 28267460]

約数ペア:

[(1, 28267460), (2, 14133730), (4, 7066865), (5, 5653492), (10, 2826746), (13, 2174420), (20, 1413373), (23, 1229020), (26, 1087210), (29, 974740), (46, 614510), (52, 543605), (58, 487370), (65, 434884), (92, 307255), (115, 245804), (116, 243685), (130, 217442), (145, 194948), (163, 173420), (230, 122902), (260, 108721), (290, 97474), (299, 94540), (326, 86710), (377, 74980), (460, 61451), (580, 48737), (598, 47270), (652, 43355), (667, 42380), (754, 37490), (815, 34684), (1196, 23635), (1334, 21190), (1495, 18908), (1508, 18745), (1630, 17342), (1885, 14996), (2119, 13340), (2668, 10595), (2990, 9454), (3260, 8671), (3335, 8476), (3749, 7540), (3770, 7498), (4238, 6670), (4727, 5980)]