25156040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6911}}^1$

素因数の和:6942

約数の個数: 64

約数和(自身を含む): 69672960

約数和(自身を除く): 44516920

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, 6911, 13822, 27644, 34555, 48377, 55288, 69110, 89843, 96754, 138220, 179686, 193508, 241885, 276440, 359372, 387016, 449215, 483770, 628901, 718744, 898430, 967540, 1257802, 1796860, 1935080, 2515604, 3144505, 3593720, 5031208, 6289010, 12578020, 25156040]

約数ペア:

[(1, 25156040), (2, 12578020), (4, 6289010), (5, 5031208), (7, 3593720), (8, 3144505), (10, 2515604), (13, 1935080), (14, 1796860), (20, 1257802), (26, 967540), (28, 898430), (35, 718744), (40, 628901), (52, 483770), (56, 449215), (65, 387016), (70, 359372), (91, 276440), (104, 241885), (130, 193508), (140, 179686), (182, 138220), (260, 96754), (280, 89843), (364, 69110), (455, 55288), (520, 48377), (728, 34555), (910, 27644), (1820, 13822), (3640, 6911)]