25124260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:881

約数の個数: 72

約数和(自身を含む): 63431424

約数和(自身を除く): 38307164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 827, 868, 980, 1085, 1519, 1654, 2170, 3038, 3308, 4135, 4340, 5789, 6076, 7595, 8270, 11578, 15190, 16540, 23156, 25637, 28945, 30380, 40523, 51274, 57890, 81046, 102548, 115780, 128185, 162092, 179459, 202615, 256370, 358918, 405230, 512740, 717836, 810460, 897295, 1256213, 1794590, 2512426, 3589180, 5024852, 6281065, 12562130, 25124260]

約数ペア:

[(1, 25124260), (2, 12562130), (4, 6281065), (5, 5024852), (7, 3589180), (10, 2512426), (14, 1794590), (20, 1256213), (28, 897295), (31, 810460), (35, 717836), (49, 512740), (62, 405230), (70, 358918), (98, 256370), (124, 202615), (140, 179459), (155, 162092), (196, 128185), (217, 115780), (245, 102548), (310, 81046), (434, 57890), (490, 51274), (620, 40523), (827, 30380), (868, 28945), (980, 25637), (1085, 23156), (1519, 16540), (1654, 15190), (2170, 11578), (3038, 8270), (3308, 7595), (4135, 6076), (4340, 5789)]