25637220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{20347}}^1$

素因数の和:20369

約数の個数: 72

約数和(自身を含む): 88880064

約数和(自身を除く): 63242844

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 20347, 40694, 61041, 81388, 101735, 122082, 142429, 183123, 203470, 244164, 284858, 305205, 366246, 406940, 427287, 569716, 610410, 712145, 732492, 854574, 915615, 1220820, 1281861, 1424290, 1709148, 1831230, 2136435, 2563722, 2848580, 3662460, 4272870, 5127444, 6409305, 8545740, 12818610, 25637220]

約数ペア:

[(1, 25637220), (2, 12818610), (3, 8545740), (4, 6409305), (5, 5127444), (6, 4272870), (7, 3662460), (9, 2848580), (10, 2563722), (12, 2136435), (14, 1831230), (15, 1709148), (18, 1424290), (20, 1281861), (21, 1220820), (28, 915615), (30, 854574), (35, 732492), (36, 712145), (42, 610410), (45, 569716), (60, 427287), (63, 406940), (70, 366246), (84, 305205), (90, 284858), (105, 244164), (126, 203470), (140, 183123), (180, 142429), (210, 122082), (252, 101735), (315, 81388), (420, 61041), (630, 40694), (1260, 20347)]