77218480

素因数分解:

$2^4\times 5^1\times {\mathrm{929}}^1\times {\mathrm{1039}}^1$

素因数の和:1981

約数の個数: 40

約数和(自身を含む): 179899200

約数和(自身を除く): 102680720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 929, 1039, 1858, 2078, 3716, 4156, 4645, 5195, 7432, 8312, 9290, 10390, 14864, 16624, 18580, 20780, 37160, 41560, 74320, 83120, 965231, 1930462, 3860924, 4826155, 7721848, 9652310, 15443696, 19304620, 38609240, 77218480]

約数ペア:

[(1, 77218480), (2, 38609240), (4, 19304620), (5, 15443696), (8, 9652310), (10, 7721848), (16, 4826155), (20, 3860924), (40, 1930462), (80, 965231), (929, 83120), (1039, 74320), (1858, 41560), (2078, 37160), (3716, 20780), (4156, 18580), (4645, 16624), (5195, 14864), (7432, 10390), (8312, 9290)]