128927800

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{12163}}^1$

素因数の和:12232

約数の個数: 48

約数和(自身を含む): 305438040

約数和(自身を除く): 176510240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 200, 212, 265, 424, 530, 1060, 1325, 2120, 2650, 5300, 10600, 12163, 24326, 48652, 60815, 97304, 121630, 243260, 304075, 486520, 608150, 644639, 1216300, 1289278, 2432600, 2578556, 3223195, 5157112, 6446390, 12892780, 16115975, 25785560, 32231950, 64463900, 128927800]

約数ペア:

[(1, 128927800), (2, 64463900), (4, 32231950), (5, 25785560), (8, 16115975), (10, 12892780), (20, 6446390), (25, 5157112), (40, 3223195), (50, 2578556), (53, 2432600), (100, 1289278), (106, 1216300), (200, 644639), (212, 608150), (265, 486520), (424, 304075), (530, 243260), (1060, 121630), (1325, 97304), (2120, 60815), (2650, 48652), (5300, 24326), (10600, 12163)]