25451860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1327}}^1$

素因数の和:1480

約数の個数: 48

約数和(自身を含む): 61576704

約数和(自身を除く): 36124844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1327, 1370, 1918, 2654, 2740, 3836, 4795, 5308, 6635, 9289, 9590, 13270, 18578, 19180, 26540, 37156, 46445, 92890, 181799, 185780, 363598, 727196, 908995, 1272593, 1817990, 2545186, 3635980, 5090372, 6362965, 12725930, 25451860]

約数ペア:

[(1, 25451860), (2, 12725930), (4, 6362965), (5, 5090372), (7, 3635980), (10, 2545186), (14, 1817990), (20, 1272593), (28, 908995), (35, 727196), (70, 363598), (137, 185780), (140, 181799), (274, 92890), (548, 46445), (685, 37156), (959, 26540), (1327, 19180), (1370, 18578), (1918, 13270), (2654, 9590), (2740, 9289), (3836, 6635), (4795, 5308)]