25895240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4021}}^1$

素因数の和:4062

約数の個数: 64

約数和(自身を含む): 69500160

約数和(自身を除く): 43604920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 4021, 6440, 8042, 16084, 20105, 28147, 32168, 40210, 56294, 80420, 92483, 112588, 140735, 160840, 184966, 225176, 281470, 369932, 462415, 562940, 647381, 739864, 924830, 1125880, 1294762, 1849660, 2589524, 3236905, 3699320, 5179048, 6473810, 12947620, 25895240]

約数ペア:

[(1, 25895240), (2, 12947620), (4, 6473810), (5, 5179048), (7, 3699320), (8, 3236905), (10, 2589524), (14, 1849660), (20, 1294762), (23, 1125880), (28, 924830), (35, 739864), (40, 647381), (46, 562940), (56, 462415), (70, 369932), (92, 281470), (115, 225176), (140, 184966), (161, 160840), (184, 140735), (230, 112588), (280, 92483), (322, 80420), (460, 56294), (644, 40210), (805, 32168), (920, 28147), (1288, 20105), (1610, 16084), (3220, 8042), (4021, 6440)]