25161890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 52496640

約数和(自身を除く): 27334750

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 61, 65, 95, 122, 130, 167, 190, 247, 305, 334, 494, 610, 793, 835, 1159, 1235, 1586, 1670, 2171, 2318, 2470, 3173, 3965, 4342, 5795, 6346, 7930, 10187, 10855, 11590, 15067, 15865, 20374, 21710, 30134, 31730, 41249, 50935, 75335, 82498, 101870, 132431, 150670, 193553, 206245, 264862, 387106, 412490, 662155, 967765, 1324310, 1935530, 2516189, 5032378, 12580945, 25161890]

約数ペア:

[(1, 25161890), (2, 12580945), (5, 5032378), (10, 2516189), (13, 1935530), (19, 1324310), (26, 967765), (38, 662155), (61, 412490), (65, 387106), (95, 264862), (122, 206245), (130, 193553), (167, 150670), (190, 132431), (247, 101870), (305, 82498), (334, 75335), (494, 50935), (610, 41249), (793, 31730), (835, 30134), (1159, 21710), (1235, 20374), (1586, 15865), (1670, 15067), (2171, 11590), (2318, 10855), (2470, 10187), (3173, 7930), (3965, 6346), (4342, 5795)]