28414880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{719}}^1$

素因数の和:766

約数の個数: 96

約数和(自身を含む): 76204800

約数和(自身を除く): 47789920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 494, 520, 608, 719, 760, 988, 1040, 1235, 1438, 1520, 1976, 2080, 2470, 2876, 3040, 3595, 3952, 4940, 5752, 7190, 7904, 9347, 9880, 11504, 13661, 14380, 18694, 19760, 23008, 27322, 28760, 37388, 39520, 46735, 54644, 57520, 68305, 74776, 93470, 109288, 115040, 136610, 149552, 177593, 186940, 218576, 273220, 299104, 355186, 373880, 437152, 546440, 710372, 747760, 887965, 1092880, 1420744, 1495520, 1775930, 2185760, 2841488, 3551860, 5682976, 7103720, 14207440, 28414880]

約数ペア:

[(1, 28414880), (2, 14207440), (4, 7103720), (5, 5682976), (8, 3551860), (10, 2841488), (13, 2185760), (16, 1775930), (19, 1495520), (20, 1420744), (26, 1092880), (32, 887965), (38, 747760), (40, 710372), (52, 546440), (65, 437152), (76, 373880), (80, 355186), (95, 299104), (104, 273220), (130, 218576), (152, 186940), (160, 177593), (190, 149552), (208, 136610), (247, 115040), (260, 109288), (304, 93470), (380, 74776), (416, 68305), (494, 57520), (520, 54644), (608, 46735), (719, 39520), (760, 37388), (988, 28760), (1040, 27322), (1235, 23008), (1438, 19760), (1520, 18694), (1976, 14380), (2080, 13661), (2470, 11504), (2876, 9880), (3040, 9347), (3595, 7904), (3952, 7190), (4940, 5752)]