40102720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17903}}^1$

素因数の和:17927

約数の個数: 56

約数和(自身を含む): 109142784

約数和(自身を除く): 69040064

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, 17903, 35806, 71612, 89515, 125321, 143224, 179030, 250642, 286448, 358060, 501284, 572896, 626605, 716120, 1002568, 1145792, 1253210, 1432240, 2005136, 2506420, 2864480, 4010272, 5012840, 5728960, 8020544, 10025680, 20051360, 40102720]

約数ペア:

[(1, 40102720), (2, 20051360), (4, 10025680), (5, 8020544), (7, 5728960), (8, 5012840), (10, 4010272), (14, 2864480), (16, 2506420), (20, 2005136), (28, 1432240), (32, 1253210), (35, 1145792), (40, 1002568), (56, 716120), (64, 626605), (70, 572896), (80, 501284), (112, 358060), (140, 286448), (160, 250642), (224, 179030), (280, 143224), (320, 125321), (448, 89515), (560, 71612), (1120, 35806), (2240, 17903)]