45617920

素因数分解:

$2^8\times 5^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 110449584

約数和(自身を除く): 64831664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 227, 256, 314, 320, 454, 628, 640, 785, 908, 1135, 1256, 1280, 1570, 1816, 2270, 2512, 3140, 3632, 4540, 5024, 6280, 7264, 9080, 10048, 12560, 14528, 18160, 20096, 25120, 29056, 35639, 36320, 40192, 50240, 58112, 71278, 72640, 100480, 142556, 145280, 178195, 200960, 285112, 290560, 356390, 570224, 712780, 1140448, 1425560, 2280896, 2851120, 4561792, 5702240, 9123584, 11404480, 22808960, 45617920]

約数ペア:

[(1, 45617920), (2, 22808960), (4, 11404480), (5, 9123584), (8, 5702240), (10, 4561792), (16, 2851120), (20, 2280896), (32, 1425560), (40, 1140448), (64, 712780), (80, 570224), (128, 356390), (157, 290560), (160, 285112), (227, 200960), (256, 178195), (314, 145280), (320, 142556), (454, 100480), (628, 72640), (640, 71278), (785, 58112), (908, 50240), (1135, 40192), (1256, 36320), (1280, 35639), (1570, 29056), (1816, 25120), (2270, 20096), (2512, 18160), (3140, 14528), (3632, 12560), (4540, 10048), (5024, 9080), (6280, 7264)]