25172240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:336

約数の個数: 80

約数和(自身を含む): 62995968

約数和(自身を除く): 37823728

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 83, 85, 136, 166, 170, 223, 272, 332, 340, 415, 446, 664, 680, 830, 892, 1115, 1328, 1360, 1411, 1660, 1784, 2230, 2822, 3320, 3568, 3791, 4460, 5644, 6640, 7055, 7582, 8920, 11288, 14110, 15164, 17840, 18509, 18955, 22576, 28220, 30328, 37018, 37910, 56440, 60656, 74036, 75820, 92545, 112880, 148072, 151640, 185090, 296144, 303280, 314653, 370180, 629306, 740360, 1258612, 1480720, 1573265, 2517224, 3146530, 5034448, 6293060, 12586120, 25172240]

約数ペア:

[(1, 25172240), (2, 12586120), (4, 6293060), (5, 5034448), (8, 3146530), (10, 2517224), (16, 1573265), (17, 1480720), (20, 1258612), (34, 740360), (40, 629306), (68, 370180), (80, 314653), (83, 303280), (85, 296144), (136, 185090), (166, 151640), (170, 148072), (223, 112880), (272, 92545), (332, 75820), (340, 74036), (415, 60656), (446, 56440), (664, 37910), (680, 37018), (830, 30328), (892, 28220), (1115, 22576), (1328, 18955), (1360, 18509), (1411, 17840), (1660, 15164), (1784, 14110), (2230, 11288), (2822, 8920), (3320, 7582), (3568, 7055), (3791, 6640), (4460, 5644)]