5408975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 8436960

約数和(自身を除く): 3027985

約数列:

[1, 5, 11, 13, 17, 25, 55, 65, 85, 89, 143, 187, 221, 275, 325, 425, 445, 715, 935, 979, 1105, 1157, 1513, 2225, 2431, 3575, 4675, 4895, 5525, 5785, 7565, 12155, 12727, 16643, 19669, 24475, 28925, 37825, 60775, 63635, 83215, 98345, 216359, 318175, 416075, 491725, 1081795, 5408975]

約数ペア:

[(1, 5408975), (5, 1081795), (11, 491725), (13, 416075), (17, 318175), (25, 216359), (55, 98345), (65, 83215), (85, 63635), (89, 60775), (143, 37825), (187, 28925), (221, 24475), (275, 19669), (325, 16643), (425, 12727), (445, 12155), (715, 7565), (935, 5785), (979, 5525), (1105, 4895), (1157, 4675), (1513, 3575), (2225, 2431)]