25559380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2371}}^1$

素因数の和:2405

約数の個数: 72

約数和(自身を含む): 68142816

約数和(自身を除く): 42583436

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2371, 2695, 4742, 5390, 9484, 10780, 11855, 16597, 23710, 26081, 33194, 47420, 52162, 66388, 82985, 104324, 116179, 130405, 165970, 182567, 232358, 260810, 331940, 365134, 464716, 521620, 580895, 730268, 912835, 1161790, 1277969, 1825670, 2323580, 2555938, 3651340, 5111876, 6389845, 12779690, 25559380]

約数ペア:

[(1, 25559380), (2, 12779690), (4, 6389845), (5, 5111876), (7, 3651340), (10, 2555938), (11, 2323580), (14, 1825670), (20, 1277969), (22, 1161790), (28, 912835), (35, 730268), (44, 580895), (49, 521620), (55, 464716), (70, 365134), (77, 331940), (98, 260810), (110, 232358), (140, 182567), (154, 165970), (196, 130405), (220, 116179), (245, 104324), (308, 82985), (385, 66388), (490, 52162), (539, 47420), (770, 33194), (980, 26081), (1078, 23710), (1540, 16597), (2156, 11855), (2371, 10780), (2695, 9484), (4742, 5390)]