80188640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71597}}^1$

素因数の和:71619

約数の個数: 48

約数和(自身を含む): 216512352

約数和(自身を除く): 136323712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 71597, 143194, 286388, 357985, 501179, 572776, 715970, 1002358, 1145552, 1431940, 2004716, 2291104, 2505895, 2863880, 4009432, 5011790, 5727760, 8018864, 10023580, 11455520, 16037728, 20047160, 40094320, 80188640]

約数ペア:

[(1, 80188640), (2, 40094320), (4, 20047160), (5, 16037728), (7, 11455520), (8, 10023580), (10, 8018864), (14, 5727760), (16, 5011790), (20, 4009432), (28, 2863880), (32, 2505895), (35, 2291104), (40, 2004716), (56, 1431940), (70, 1145552), (80, 1002358), (112, 715970), (140, 572776), (160, 501179), (224, 357985), (280, 286388), (560, 143194), (1120, 71597)]