71540425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 101779200

約数和(自身を除く): 30238775

約数列:

[1, 5, 11, 25, 37, 55, 79, 89, 185, 275, 395, 407, 445, 869, 925, 979, 1975, 2035, 2225, 2923, 3293, 4345, 4895, 7031, 10175, 14615, 16465, 21725, 24475, 32153, 35155, 36223, 73075, 77341, 82325, 160765, 175775, 181115, 260147, 386705, 803825, 905575, 1300735, 1933525, 2861617, 6503675, 14308085, 71540425]

約数ペア:

[(1, 71540425), (5, 14308085), (11, 6503675), (25, 2861617), (37, 1933525), (55, 1300735), (79, 905575), (89, 803825), (185, 386705), (275, 260147), (395, 181115), (407, 175775), (445, 160765), (869, 82325), (925, 77341), (979, 73075), (1975, 36223), (2035, 35155), (2225, 32153), (2923, 24475), (3293, 21725), (4345, 16465), (4895, 14615), (7031, 10175)]