66381520

素因数分解:

$2^4\times 5^1\times {\mathrm{607}}^1\times {\mathrm{1367}}^1$

素因数の和:1987

約数の個数: 40

約数和(自身を含む): 154704384

約数和(自身を除く): 88322864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 607, 1214, 1367, 2428, 2734, 3035, 4856, 5468, 6070, 6835, 9712, 10936, 12140, 13670, 21872, 24280, 27340, 48560, 54680, 109360, 829769, 1659538, 3319076, 4148845, 6638152, 8297690, 13276304, 16595380, 33190760, 66381520]

約数ペア:

[(1, 66381520), (2, 33190760), (4, 16595380), (5, 13276304), (8, 8297690), (10, 6638152), (16, 4148845), (20, 3319076), (40, 1659538), (80, 829769), (607, 109360), (1214, 54680), (1367, 48560), (2428, 27340), (2734, 24280), (3035, 21872), (4856, 13670), (5468, 12140), (6070, 10936), (6835, 9712)]