1115697920

素因数分解:

$2^8\times 5^1\times {\mathrm{871639}}^1$

素因数の和:871660

約数の個数: 36

約数和(自身を含む): 2672448240

約数和(自身を除く): 1556750320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 871639, 1743278, 3486556, 4358195, 6973112, 8716390, 13946224, 17432780, 27892448, 34865560, 55784896, 69731120, 111569792, 139462240, 223139584, 278924480, 557848960, 1115697920]

約数ペア:

[(1, 1115697920), (2, 557848960), (4, 278924480), (5, 223139584), (8, 139462240), (10, 111569792), (16, 69731120), (20, 55784896), (32, 34865560), (40, 27892448), (64, 17432780), (80, 13946224), (128, 8716390), (160, 6973112), (256, 4358195), (320, 3486556), (640, 1743278), (1280, 871639)]