28511200

素因数分解:

$2^5\times 5^2\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:404

約数の個数: 72

約数和(自身を含む): 70354872

約数和(自身を除く): 41843672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 157, 160, 200, 227, 314, 400, 454, 628, 785, 800, 908, 1135, 1256, 1570, 1816, 2270, 2512, 3140, 3632, 3925, 4540, 5024, 5675, 6280, 7264, 7850, 9080, 11350, 12560, 15700, 18160, 22700, 25120, 31400, 35639, 36320, 45400, 62800, 71278, 90800, 125600, 142556, 178195, 181600, 285112, 356390, 570224, 712780, 890975, 1140448, 1425560, 1781950, 2851120, 3563900, 5702240, 7127800, 14255600, 28511200]

約数ペア:

[(1, 28511200), (2, 14255600), (4, 7127800), (5, 5702240), (8, 3563900), (10, 2851120), (16, 1781950), (20, 1425560), (25, 1140448), (32, 890975), (40, 712780), (50, 570224), (80, 356390), (100, 285112), (157, 181600), (160, 178195), (200, 142556), (227, 125600), (314, 90800), (400, 71278), (454, 62800), (628, 45400), (785, 36320), (800, 35639), (908, 31400), (1135, 25120), (1256, 22700), (1570, 18160), (1816, 15700), (2270, 12560), (2512, 11350), (3140, 9080), (3632, 7850), (3925, 7264), (4540, 6280), (5024, 5675)]