4028014720

素因数分解:

$2^7\times 5^1\times {\mathrm{199}}^1\times {\mathrm{31627}}^1$

素因数の和:31845

約数の個数: 64

約数和(自身を含む): 9678168000

約数和(自身を除く): 5650153280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 199, 320, 398, 640, 796, 995, 1592, 1990, 3184, 3980, 6368, 7960, 12736, 15920, 25472, 31627, 31840, 63254, 63680, 126508, 127360, 158135, 253016, 316270, 506032, 632540, 1012064, 1265080, 2024128, 2530160, 4048256, 5060320, 6293773, 10120640, 12587546, 20241280, 25175092, 31468865, 50350184, 62937730, 100700368, 125875460, 201400736, 251750920, 402801472, 503501840, 805602944, 1007003680, 2014007360, 4028014720]

約数ペア:

[(1, 4028014720), (2, 2014007360), (4, 1007003680), (5, 805602944), (8, 503501840), (10, 402801472), (16, 251750920), (20, 201400736), (32, 125875460), (40, 100700368), (64, 62937730), (80, 50350184), (128, 31468865), (160, 25175092), (199, 20241280), (320, 12587546), (398, 10120640), (640, 6293773), (796, 5060320), (995, 4048256), (1592, 2530160), (1990, 2024128), (3184, 1265080), (3980, 1012064), (6368, 632540), (7960, 506032), (12736, 316270), (15920, 253016), (25472, 158135), (31627, 127360), (31840, 126508), (63254, 63680)]