25415408

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:162

約数の個数: 80

約数和(自身を含む): 55683936

約数和(自身を除く): 30268528

約数列:

[1, 2, 4, 8, 16, 17, 34, 41, 43, 53, 68, 82, 86, 106, 136, 164, 172, 212, 272, 328, 344, 424, 656, 688, 697, 731, 848, 901, 1394, 1462, 1763, 1802, 2173, 2279, 2788, 2924, 3526, 3604, 4346, 4558, 5576, 5848, 7052, 7208, 8692, 9116, 11152, 11696, 14104, 14416, 17384, 18232, 28208, 29971, 34768, 36464, 36941, 38743, 59942, 73882, 77486, 93439, 119884, 147764, 154972, 186878, 239768, 295528, 309944, 373756, 479536, 591056, 619888, 747512, 1495024, 1588463, 3176926, 6353852, 12707704, 25415408]

約数ペア:

[(1, 25415408), (2, 12707704), (4, 6353852), (8, 3176926), (16, 1588463), (17, 1495024), (34, 747512), (41, 619888), (43, 591056), (53, 479536), (68, 373756), (82, 309944), (86, 295528), (106, 239768), (136, 186878), (164, 154972), (172, 147764), (212, 119884), (272, 93439), (328, 77486), (344, 73882), (424, 59942), (656, 38743), (688, 36941), (697, 36464), (731, 34768), (848, 29971), (901, 28208), (1394, 18232), (1462, 17384), (1763, 14416), (1802, 14104), (2173, 11696), (2279, 11152), (2788, 9116), (2924, 8692), (3526, 7208), (3604, 7052), (4346, 5848), (4558, 5576)]