25720688

素因数分解:

$2^4\times 7^2\times {\mathrm{53}}^1\times {\mathrm{619}}^1$

素因数の和:694

約数の個数: 60

約数和(自身を含む): 59159160

約数和(自身を除く): 33438472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 53, 56, 98, 106, 112, 196, 212, 371, 392, 424, 619, 742, 784, 848, 1238, 1484, 2476, 2597, 2968, 4333, 4952, 5194, 5936, 8666, 9904, 10388, 17332, 20776, 30331, 32807, 34664, 41552, 60662, 65614, 69328, 121324, 131228, 229649, 242648, 262456, 459298, 485296, 524912, 918596, 1607543, 1837192, 3215086, 3674384, 6430172, 12860344, 25720688]

約数ペア:

[(1, 25720688), (2, 12860344), (4, 6430172), (7, 3674384), (8, 3215086), (14, 1837192), (16, 1607543), (28, 918596), (49, 524912), (53, 485296), (56, 459298), (98, 262456), (106, 242648), (112, 229649), (196, 131228), (212, 121324), (371, 69328), (392, 65614), (424, 60662), (619, 41552), (742, 34664), (784, 32807), (848, 30331), (1238, 20776), (1484, 17332), (2476, 10388), (2597, 9904), (2968, 8666), (4333, 5936), (4952, 5194)]