25404540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{8641}}^1$

素因数の和:8667

約数の個数: 72

約数和(自身を含む): 82755792

約数和(自身を除く): 57351252

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 8641, 17282, 25923, 34564, 43205, 51846, 60487, 86410, 103692, 120974, 129615, 172820, 181461, 241948, 259230, 302435, 362922, 423409, 518460, 604870, 725844, 846818, 907305, 1209740, 1270227, 1693636, 1814610, 2117045, 2540454, 3629220, 4234090, 5080908, 6351135, 8468180, 12702270, 25404540]

約数ペア:

[(1, 25404540), (2, 12702270), (3, 8468180), (4, 6351135), (5, 5080908), (6, 4234090), (7, 3629220), (10, 2540454), (12, 2117045), (14, 1814610), (15, 1693636), (20, 1270227), (21, 1209740), (28, 907305), (30, 846818), (35, 725844), (42, 604870), (49, 518460), (60, 423409), (70, 362922), (84, 302435), (98, 259230), (105, 241948), (140, 181461), (147, 172820), (196, 129615), (210, 120974), (245, 103692), (294, 86410), (420, 60487), (490, 51846), (588, 43205), (735, 34564), (980, 25923), (1470, 17282), (2940, 8641)]