79906820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{5051}}^1$

素因数の和:5180

約数の個数: 48

約数和(自身を含む): 193511808

約数和(自身を除く): 113604988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1582, 2260, 3164, 3955, 5051, 7910, 10102, 15820, 20204, 25255, 35357, 50510, 70714, 101020, 141428, 176785, 353570, 570763, 707140, 1141526, 2283052, 2853815, 3995341, 5707630, 7990682, 11415260, 15981364, 19976705, 39953410, 79906820]

約数ペア:

[(1, 79906820), (2, 39953410), (4, 19976705), (5, 15981364), (7, 11415260), (10, 7990682), (14, 5707630), (20, 3995341), (28, 2853815), (35, 2283052), (70, 1141526), (113, 707140), (140, 570763), (226, 353570), (452, 176785), (565, 141428), (791, 101020), (1130, 70714), (1582, 50510), (2260, 35357), (3164, 25255), (3955, 20204), (5051, 15820), (7910, 10102)]