91235840

素因数分解:

$2^9\times 5^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:407

約数の個数: 80

約数和(自身を含む): 221115312

約数和(自身を除く): 129879472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 227, 256, 314, 320, 454, 512, 628, 640, 785, 908, 1135, 1256, 1280, 1570, 1816, 2270, 2512, 2560, 3140, 3632, 4540, 5024, 6280, 7264, 9080, 10048, 12560, 14528, 18160, 20096, 25120, 29056, 35639, 36320, 40192, 50240, 58112, 71278, 72640, 80384, 100480, 116224, 142556, 145280, 178195, 200960, 285112, 290560, 356390, 401920, 570224, 581120, 712780, 1140448, 1425560, 2280896, 2851120, 4561792, 5702240, 9123584, 11404480, 18247168, 22808960, 45617920, 91235840]

約数ペア:

[(1, 91235840), (2, 45617920), (4, 22808960), (5, 18247168), (8, 11404480), (10, 9123584), (16, 5702240), (20, 4561792), (32, 2851120), (40, 2280896), (64, 1425560), (80, 1140448), (128, 712780), (157, 581120), (160, 570224), (227, 401920), (256, 356390), (314, 290560), (320, 285112), (454, 200960), (512, 178195), (628, 145280), (640, 142556), (785, 116224), (908, 100480), (1135, 80384), (1256, 72640), (1280, 71278), (1570, 58112), (1816, 50240), (2270, 40192), (2512, 36320), (2560, 35639), (3140, 29056), (3632, 25120), (4540, 20096), (5024, 18160), (6280, 14528), (7264, 12560), (9080, 10048)]