40631600

素因数分解:

$2^4\times 5^2\times {\mathrm{157}}^1\times {\mathrm{647}}^1$

素因数の和:822

約数の個数: 60

約数和(自身を含む): 98391024

約数和(自身を除く): 57759424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 157, 200, 314, 400, 628, 647, 785, 1256, 1294, 1570, 2512, 2588, 3140, 3235, 3925, 5176, 6280, 6470, 7850, 10352, 12560, 12940, 15700, 16175, 25880, 31400, 32350, 51760, 62800, 64700, 101579, 129400, 203158, 258800, 406316, 507895, 812632, 1015790, 1625264, 2031580, 2539475, 4063160, 5078950, 8126320, 10157900, 20315800, 40631600]

約数ペア:

[(1, 40631600), (2, 20315800), (4, 10157900), (5, 8126320), (8, 5078950), (10, 4063160), (16, 2539475), (20, 2031580), (25, 1625264), (40, 1015790), (50, 812632), (80, 507895), (100, 406316), (157, 258800), (200, 203158), (314, 129400), (400, 101579), (628, 64700), (647, 62800), (785, 51760), (1256, 32350), (1294, 31400), (1570, 25880), (2512, 16175), (2588, 15700), (3140, 12940), (3235, 12560), (3925, 10352), (5176, 7850), (6280, 6470)]