79726720

素因数分解:

$2^7\times 5^1\times {\mathrm{347}}^1\times {\mathrm{359}}^1$

素因数の和:725

約数の個数: 64

約数和(自身を含む): 191678400

約数和(自身を除く): 111951680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 347, 359, 640, 694, 718, 1388, 1436, 1735, 1795, 2776, 2872, 3470, 3590, 5552, 5744, 6940, 7180, 11104, 11488, 13880, 14360, 22208, 22976, 27760, 28720, 44416, 45952, 55520, 57440, 111040, 114880, 124573, 222080, 229760, 249146, 498292, 622865, 996584, 1245730, 1993168, 2491460, 3986336, 4982920, 7972672, 9965840, 15945344, 19931680, 39863360, 79726720]

約数ペア:

[(1, 79726720), (2, 39863360), (4, 19931680), (5, 15945344), (8, 9965840), (10, 7972672), (16, 4982920), (20, 3986336), (32, 2491460), (40, 1993168), (64, 1245730), (80, 996584), (128, 622865), (160, 498292), (320, 249146), (347, 229760), (359, 222080), (640, 124573), (694, 114880), (718, 111040), (1388, 57440), (1436, 55520), (1735, 45952), (1795, 44416), (2776, 28720), (2872, 27760), (3470, 22976), (3590, 22208), (5552, 14360), (5744, 13880), (6940, 11488), (7180, 11104)]