25351620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{8623}}^1$

素因数の和:8649

約数の個数: 72

約数和(自身を含む): 82583424

約数和(自身を除く): 57231804

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, 8623, 17246, 25869, 34492, 43115, 51738, 60361, 86230, 103476, 120722, 129345, 172460, 181083, 241444, 258690, 301805, 362166, 422527, 517380, 603610, 724332, 845054, 905415, 1207220, 1267581, 1690108, 1810830, 2112635, 2535162, 3621660, 4225270, 5070324, 6337905, 8450540, 12675810, 25351620]

約数ペア:

[(1, 25351620), (2, 12675810), (3, 8450540), (4, 6337905), (5, 5070324), (6, 4225270), (7, 3621660), (10, 2535162), (12, 2112635), (14, 1810830), (15, 1690108), (20, 1267581), (21, 1207220), (28, 905415), (30, 845054), (35, 724332), (42, 603610), (49, 517380), (60, 422527), (70, 362166), (84, 301805), (98, 258690), (105, 241444), (140, 181083), (147, 172460), (196, 129345), (210, 120722), (245, 103476), (294, 86230), (420, 60361), (490, 51738), (588, 43115), (735, 34492), (980, 25869), (1470, 17246), (2940, 8623)]