40260400

素因数分解:

$2^4\times 5^2\times {\mathrm{251}}^1\times {\mathrm{401}}^1$

素因数の和:670

約数の個数: 60

約数和(自身を含む): 97353144

約数和(自身を除く): 57092744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 251, 400, 401, 502, 802, 1004, 1255, 1604, 2005, 2008, 2510, 3208, 4010, 4016, 5020, 6275, 6416, 8020, 10025, 10040, 12550, 16040, 20050, 20080, 25100, 32080, 40100, 50200, 80200, 100400, 100651, 160400, 201302, 402604, 503255, 805208, 1006510, 1610416, 2013020, 2516275, 4026040, 5032550, 8052080, 10065100, 20130200, 40260400]

約数ペア:

[(1, 40260400), (2, 20130200), (4, 10065100), (5, 8052080), (8, 5032550), (10, 4026040), (16, 2516275), (20, 2013020), (25, 1610416), (40, 1006510), (50, 805208), (80, 503255), (100, 402604), (200, 201302), (251, 160400), (400, 100651), (401, 100400), (502, 80200), (802, 50200), (1004, 40100), (1255, 32080), (1604, 25100), (2005, 20080), (2008, 20050), (2510, 16040), (3208, 12550), (4010, 10040), (4016, 10025), (5020, 8020), (6275, 6416)]