25222730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 52744608

約数和(自身を除く): 27521878

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 101, 113, 130, 170, 202, 221, 226, 442, 505, 565, 1010, 1105, 1130, 1313, 1469, 1717, 1921, 2210, 2626, 2938, 3434, 3842, 6565, 7345, 8585, 9605, 11413, 13130, 14690, 17170, 19210, 22321, 22826, 24973, 44642, 49946, 57065, 111605, 114130, 124865, 148369, 194021, 223210, 249730, 296738, 388042, 741845, 970105, 1483690, 1940210, 2522273, 5044546, 12611365, 25222730]

約数ペア:

[(1, 25222730), (2, 12611365), (5, 5044546), (10, 2522273), (13, 1940210), (17, 1483690), (26, 970105), (34, 741845), (65, 388042), (85, 296738), (101, 249730), (113, 223210), (130, 194021), (170, 148369), (202, 124865), (221, 114130), (226, 111605), (442, 57065), (505, 49946), (565, 44642), (1010, 24973), (1105, 22826), (1130, 22321), (1313, 19210), (1469, 17170), (1717, 14690), (1921, 13130), (2210, 11413), (2626, 9605), (2938, 8585), (3434, 7345), (3842, 6565)]