31042480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{7919}}^1$

素因数の和:7946

約数の個数: 60

約数和(自身を含む): 83967840

約数和(自身を除く): 52925360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 7919, 15838, 31676, 39595, 55433, 63352, 79190, 110866, 126704, 158380, 221732, 277165, 316760, 388031, 443464, 554330, 633520, 776062, 886928, 1108660, 1552124, 1940155, 2217320, 3104248, 3880310, 4434640, 6208496, 7760620, 15521240, 31042480]

約数ペア:

[(1, 31042480), (2, 15521240), (4, 7760620), (5, 6208496), (7, 4434640), (8, 3880310), (10, 3104248), (14, 2217320), (16, 1940155), (20, 1552124), (28, 1108660), (35, 886928), (40, 776062), (49, 633520), (56, 554330), (70, 443464), (80, 388031), (98, 316760), (112, 277165), (140, 221732), (196, 158380), (245, 126704), (280, 110866), (392, 79190), (490, 63352), (560, 55433), (784, 39595), (980, 31676), (1960, 15838), (3920, 7919)]