165192320

素因数分解:

$2^7\times 5^1\times {\mathrm{258113}}^1$

素因数の和:258132

約数の個数: 32

約数和(自身を含む): 394914420

約数和(自身を除く): 229722100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 258113, 516226, 1032452, 1290565, 2064904, 2581130, 4129808, 5162260, 8259616, 10324520, 16519232, 20649040, 33038464, 41298080, 82596160, 165192320]

約数ペア:

[(1, 165192320), (2, 82596160), (4, 41298080), (5, 33038464), (8, 20649040), (10, 16519232), (16, 10324520), (20, 8259616), (32, 5162260), (40, 4129808), (64, 2581130), (80, 2064904), (128, 1290565), (160, 1032452), (320, 516226), (640, 258113)]