28597520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:472

約数の個数: 80

約数和(自身を含む): 76661760

約数和(自身を除く): 48064240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 223, 229, 280, 446, 458, 560, 892, 916, 1115, 1145, 1561, 1603, 1784, 1832, 2230, 2290, 3122, 3206, 3568, 3664, 4460, 4580, 6244, 6412, 7805, 8015, 8920, 9160, 12488, 12824, 15610, 16030, 17840, 18320, 24976, 25648, 31220, 32060, 51067, 62440, 64120, 102134, 124880, 128240, 204268, 255335, 357469, 408536, 510670, 714938, 817072, 1021340, 1429876, 1787345, 2042680, 2859752, 3574690, 4085360, 5719504, 7149380, 14298760, 28597520]

約数ペア:

[(1, 28597520), (2, 14298760), (4, 7149380), (5, 5719504), (7, 4085360), (8, 3574690), (10, 2859752), (14, 2042680), (16, 1787345), (20, 1429876), (28, 1021340), (35, 817072), (40, 714938), (56, 510670), (70, 408536), (80, 357469), (112, 255335), (140, 204268), (223, 128240), (229, 124880), (280, 102134), (446, 64120), (458, 62440), (560, 51067), (892, 32060), (916, 31220), (1115, 25648), (1145, 24976), (1561, 18320), (1603, 17840), (1784, 16030), (1832, 15610), (2230, 12824), (2290, 12488), (3122, 9160), (3206, 8920), (3568, 8015), (3664, 7805), (4460, 6412), (4580, 6244)]