25849520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:342

約数の個数: 80

約数和(自身を含む): 64683360

約数和(自身を除く): 38833840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 83, 85, 136, 166, 170, 229, 272, 332, 340, 415, 458, 664, 680, 830, 916, 1145, 1328, 1360, 1411, 1660, 1832, 2290, 2822, 3320, 3664, 3893, 4580, 5644, 6640, 7055, 7786, 9160, 11288, 14110, 15572, 18320, 19007, 19465, 22576, 28220, 31144, 38014, 38930, 56440, 62288, 76028, 77860, 95035, 112880, 152056, 155720, 190070, 304112, 311440, 323119, 380140, 646238, 760280, 1292476, 1520560, 1615595, 2584952, 3231190, 5169904, 6462380, 12924760, 25849520]

約数ペア:

[(1, 25849520), (2, 12924760), (4, 6462380), (5, 5169904), (8, 3231190), (10, 2584952), (16, 1615595), (17, 1520560), (20, 1292476), (34, 760280), (40, 646238), (68, 380140), (80, 323119), (83, 311440), (85, 304112), (136, 190070), (166, 155720), (170, 152056), (229, 112880), (272, 95035), (332, 77860), (340, 76028), (415, 62288), (458, 56440), (664, 38930), (680, 38014), (830, 31144), (916, 28220), (1145, 22576), (1328, 19465), (1360, 19007), (1411, 18320), (1660, 15572), (1832, 14110), (2290, 11288), (2822, 9160), (3320, 7786), (3664, 7055), (3893, 6640), (4580, 5644)]