38462720

素因数分解:

$2^8\times 5^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 93206400

約数和(自身を除く): 54743680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 151, 160, 199, 256, 302, 320, 398, 604, 640, 755, 796, 995, 1208, 1280, 1510, 1592, 1990, 2416, 3020, 3184, 3980, 4832, 6040, 6368, 7960, 9664, 12080, 12736, 15920, 19328, 24160, 25472, 30049, 31840, 38656, 48320, 50944, 60098, 63680, 96640, 120196, 127360, 150245, 193280, 240392, 254720, 300490, 480784, 600980, 961568, 1201960, 1923136, 2403920, 3846272, 4807840, 7692544, 9615680, 19231360, 38462720]

約数ペア:

[(1, 38462720), (2, 19231360), (4, 9615680), (5, 7692544), (8, 4807840), (10, 3846272), (16, 2403920), (20, 1923136), (32, 1201960), (40, 961568), (64, 600980), (80, 480784), (128, 300490), (151, 254720), (160, 240392), (199, 193280), (256, 150245), (302, 127360), (320, 120196), (398, 96640), (604, 63680), (640, 60098), (755, 50944), (796, 48320), (995, 38656), (1208, 31840), (1280, 30049), (1510, 25472), (1592, 24160), (1990, 19328), (2416, 15920), (3020, 12736), (3184, 12080), (3980, 9664), (4832, 7960), (6040, 6368)]