40538240

素因数分解:

$2^7\times 5^1\times {\mathrm{97}}^1\times {\mathrm{653}}^1$

素因数の和:769

約数の個数: 64

約数和(自身を含む): 98060760

約数和(自身を除く): 57522520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 320, 388, 485, 640, 653, 776, 970, 1306, 1552, 1940, 2612, 3104, 3265, 3880, 5224, 6208, 6530, 7760, 10448, 12416, 13060, 15520, 20896, 26120, 31040, 41792, 52240, 62080, 63341, 83584, 104480, 126682, 208960, 253364, 316705, 417920, 506728, 633410, 1013456, 1266820, 2026912, 2533640, 4053824, 5067280, 8107648, 10134560, 20269120, 40538240]

約数ペア:

[(1, 40538240), (2, 20269120), (4, 10134560), (5, 8107648), (8, 5067280), (10, 4053824), (16, 2533640), (20, 2026912), (32, 1266820), (40, 1013456), (64, 633410), (80, 506728), (97, 417920), (128, 316705), (160, 253364), (194, 208960), (320, 126682), (388, 104480), (485, 83584), (640, 63341), (653, 62080), (776, 52240), (970, 41792), (1306, 31040), (1552, 26120), (1940, 20896), (2612, 15520), (3104, 13060), (3265, 12416), (3880, 10448), (5224, 7760), (6208, 6530)]