17368720

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1091}}^1$

素因数の和:1303

約数の個数: 40

約数和(自身を含む): 40622400

約数和(自身を除く): 23253680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1091, 1592, 1990, 2182, 3184, 3980, 4364, 5455, 7960, 8728, 10910, 15920, 17456, 21820, 43640, 87280, 217109, 434218, 868436, 1085545, 1736872, 2171090, 3473744, 4342180, 8684360, 17368720]

約数ペア:

[(1, 17368720), (2, 8684360), (4, 4342180), (5, 3473744), (8, 2171090), (10, 1736872), (16, 1085545), (20, 868436), (40, 434218), (80, 217109), (199, 87280), (398, 43640), (796, 21820), (995, 17456), (1091, 15920), (1592, 10910), (1990, 8728), (2182, 7960), (3184, 5455), (3980, 4364)]