90786400

素因数分解:

$2^5\times 5^2\times {\mathrm{283}}^1\times {\mathrm{401}}^1$

素因数の和:704

約数の個数: 72

約数和(自身を含む): 222970104

約数和(自身を除く): 132183704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 283, 400, 401, 566, 800, 802, 1132, 1415, 1604, 2005, 2264, 2830, 3208, 4010, 4528, 5660, 6416, 7075, 8020, 9056, 10025, 11320, 12832, 14150, 16040, 20050, 22640, 28300, 32080, 40100, 45280, 56600, 64160, 80200, 113200, 113483, 160400, 226400, 226966, 320800, 453932, 567415, 907864, 1134830, 1815728, 2269660, 2837075, 3631456, 4539320, 5674150, 9078640, 11348300, 18157280, 22696600, 45393200, 90786400]

約数ペア:

[(1, 90786400), (2, 45393200), (4, 22696600), (5, 18157280), (8, 11348300), (10, 9078640), (16, 5674150), (20, 4539320), (25, 3631456), (32, 2837075), (40, 2269660), (50, 1815728), (80, 1134830), (100, 907864), (160, 567415), (200, 453932), (283, 320800), (400, 226966), (401, 226400), (566, 160400), (800, 113483), (802, 113200), (1132, 80200), (1415, 64160), (1604, 56600), (2005, 45280), (2264, 40100), (2830, 32080), (3208, 28300), (4010, 22640), (4528, 20050), (5660, 16040), (6416, 14150), (7075, 12832), (8020, 11320), (9056, 10025)]