25725352

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 53887680

約数和(自身を除く): 28162328

約数列:

[1, 2, 4, 8, 17, 34, 43, 53, 68, 83, 86, 106, 136, 166, 172, 212, 332, 344, 424, 664, 731, 901, 1411, 1462, 1802, 2279, 2822, 2924, 3569, 3604, 4399, 4558, 5644, 5848, 7138, 7208, 8798, 9116, 11288, 14276, 17596, 18232, 28552, 35192, 38743, 60673, 74783, 77486, 121346, 149566, 154972, 189157, 242692, 299132, 309944, 378314, 485384, 598264, 756628, 1513256, 3215669, 6431338, 12862676, 25725352]

約数ペア:

[(1, 25725352), (2, 12862676), (4, 6431338), (8, 3215669), (17, 1513256), (34, 756628), (43, 598264), (53, 485384), (68, 378314), (83, 309944), (86, 299132), (106, 242692), (136, 189157), (166, 154972), (172, 149566), (212, 121346), (332, 77486), (344, 74783), (424, 60673), (664, 38743), (731, 35192), (901, 28552), (1411, 18232), (1462, 17596), (1802, 14276), (2279, 11288), (2822, 9116), (2924, 8798), (3569, 7208), (3604, 7138), (4399, 5848), (4558, 5644)]