42499520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{18973}}^1$

素因数の和:18997

約数の個数: 56

約数和(自身を含む): 115665504

約数和(自身を除く): 73165984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 18973, 37946, 75892, 94865, 132811, 151784, 189730, 265622, 303568, 379460, 531244, 607136, 664055, 758920, 1062488, 1214272, 1328110, 1517840, 2124976, 2656220, 3035680, 4249952, 5312440, 6071360, 8499904, 10624880, 21249760, 42499520]

約数ペア:

[(1, 42499520), (2, 21249760), (4, 10624880), (5, 8499904), (7, 6071360), (8, 5312440), (10, 4249952), (14, 3035680), (16, 2656220), (20, 2124976), (28, 1517840), (32, 1328110), (35, 1214272), (40, 1062488), (56, 758920), (64, 664055), (70, 607136), (80, 531244), (112, 379460), (140, 303568), (160, 265622), (224, 189730), (280, 151784), (320, 132811), (448, 94865), (560, 75892), (1120, 37946), (2240, 18973)]