22051975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 32542560

約数和(自身を除く): 10490585

約数列:

[1, 5, 11, 17, 25, 53, 55, 85, 89, 187, 265, 275, 425, 445, 583, 901, 935, 979, 1325, 1513, 2225, 2915, 4505, 4675, 4717, 4895, 7565, 9911, 14575, 16643, 22525, 23585, 24475, 37825, 49555, 51887, 80189, 83215, 117925, 247775, 259435, 400945, 416075, 882079, 1297175, 2004725, 4410395, 22051975]

約数ペア:

[(1, 22051975), (5, 4410395), (11, 2004725), (17, 1297175), (25, 882079), (53, 416075), (55, 400945), (85, 259435), (89, 247775), (187, 117925), (265, 83215), (275, 80189), (425, 51887), (445, 49555), (583, 37825), (901, 24475), (935, 23585), (979, 22525), (1325, 16643), (1513, 14575), (2225, 9911), (2915, 7565), (4505, 4895), (4675, 4717)]