83989760

素因数分解:

$2^8\times 5^1\times {\mathrm{65617}}^1$

素因数の和:65638

約数の個数: 36

約数和(自身を含む): 201184788

約数和(自身を除く): 117195028

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 65617, 131234, 262468, 328085, 524936, 656170, 1049872, 1312340, 2099744, 2624680, 4199488, 5249360, 8398976, 10498720, 16797952, 20997440, 41994880, 83989760]

約数ペア:

[(1, 83989760), (2, 41994880), (4, 20997440), (5, 16797952), (8, 10498720), (10, 8398976), (16, 5249360), (20, 4199488), (32, 2624680), (40, 2099744), (64, 1312340), (80, 1049872), (128, 656170), (160, 524936), (256, 328085), (320, 262468), (640, 131234), (1280, 65617)]