25330760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6959}}^1$

素因数の和:6990

約数の個数: 64

約数和(自身を含む): 70156800

約数和(自身を除く): 44826040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 6959, 13918, 27836, 34795, 48713, 55672, 69590, 90467, 97426, 139180, 180934, 194852, 243565, 278360, 361868, 389704, 452335, 487130, 633269, 723736, 904670, 974260, 1266538, 1809340, 1948520, 2533076, 3166345, 3618680, 5066152, 6332690, 12665380, 25330760]

約数ペア:

[(1, 25330760), (2, 12665380), (4, 6332690), (5, 5066152), (7, 3618680), (8, 3166345), (10, 2533076), (13, 1948520), (14, 1809340), (20, 1266538), (26, 974260), (28, 904670), (35, 723736), (40, 633269), (52, 487130), (56, 452335), (65, 389704), (70, 361868), (91, 278360), (104, 243565), (130, 194852), (140, 180934), (182, 139180), (260, 97426), (280, 90467), (364, 69590), (455, 55672), (520, 48713), (728, 34795), (910, 27836), (1820, 13918), (3640, 6959)]