1659520

素因数分解:

$2^7\times 5^1\times {\mathrm{2593}}^1$

素因数の和:2612

約数の個数: 32

約数和(自身を含む): 3968820

約数和(自身を除く): 2309300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2593, 5186, 10372, 12965, 20744, 25930, 41488, 51860, 82976, 103720, 165952, 207440, 331904, 414880, 829760, 1659520]

約数ペア:

[(1, 1659520), (2, 829760), (4, 414880), (5, 331904), (8, 207440), (10, 165952), (16, 103720), (20, 82976), (32, 51860), (40, 41488), (64, 25930), (80, 20744), (128, 12965), (160, 10372), (320, 5186), (640, 2593)]