28125320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1609}}^1$

素因数の和:1662

約数の個数: 64

約数和(自身を含む): 69552000

約数和(自身を除く): 41426680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1609, 1748, 2185, 3218, 3496, 4370, 6436, 8045, 8740, 12872, 16090, 17480, 30571, 32180, 37007, 61142, 64360, 74014, 122284, 148028, 152855, 185035, 244568, 296056, 305710, 370070, 611420, 703133, 740140, 1222840, 1406266, 1480280, 2812532, 3515665, 5625064, 7031330, 14062660, 28125320]

約数ペア:

[(1, 28125320), (2, 14062660), (4, 7031330), (5, 5625064), (8, 3515665), (10, 2812532), (19, 1480280), (20, 1406266), (23, 1222840), (38, 740140), (40, 703133), (46, 611420), (76, 370070), (92, 305710), (95, 296056), (115, 244568), (152, 185035), (184, 152855), (190, 148028), (230, 122284), (380, 74014), (437, 64360), (460, 61142), (760, 37007), (874, 32180), (920, 30571), (1609, 17480), (1748, 16090), (2185, 12872), (3218, 8740), (3496, 8045), (4370, 6436)]