25139660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{727}}^1$

素因数の和:775

約数の個数: 96

約数和(自身を含む): 68490240

約数和(自身を除く): 43350580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 266, 364, 380, 455, 494, 532, 665, 727, 910, 988, 1235, 1330, 1454, 1729, 1820, 2470, 2660, 2908, 3458, 3635, 4940, 5089, 6916, 7270, 8645, 9451, 10178, 13813, 14540, 17290, 18902, 20356, 25445, 27626, 34580, 37804, 47255, 50890, 55252, 66157, 69065, 94510, 96691, 101780, 132314, 138130, 179569, 189020, 193382, 264628, 276260, 330785, 359138, 386764, 483455, 661570, 718276, 897845, 966910, 1256983, 1323140, 1795690, 1933820, 2513966, 3591380, 5027932, 6284915, 12569830, 25139660]

約数ペア:

[(1, 25139660), (2, 12569830), (4, 6284915), (5, 5027932), (7, 3591380), (10, 2513966), (13, 1933820), (14, 1795690), (19, 1323140), (20, 1256983), (26, 966910), (28, 897845), (35, 718276), (38, 661570), (52, 483455), (65, 386764), (70, 359138), (76, 330785), (91, 276260), (95, 264628), (130, 193382), (133, 189020), (140, 179569), (182, 138130), (190, 132314), (247, 101780), (260, 96691), (266, 94510), (364, 69065), (380, 66157), (455, 55252), (494, 50890), (532, 47255), (665, 37804), (727, 34580), (910, 27626), (988, 25445), (1235, 20356), (1330, 18902), (1454, 17290), (1729, 14540), (1820, 13813), (2470, 10178), (2660, 9451), (2908, 8645), (3458, 7270), (3635, 6916), (4940, 5089)]