90874240

素因数分解:

$2^7\times 5^1\times {\mathrm{141991}}^1$

素因数の和:142010

約数の個数: 32

約数和(自身を含む): 217247760

約数和(自身を除く): 126373520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 141991, 283982, 567964, 709955, 1135928, 1419910, 2271856, 2839820, 4543712, 5679640, 9087424, 11359280, 18174848, 22718560, 45437120, 90874240]

約数ペア:

[(1, 90874240), (2, 45437120), (4, 22718560), (5, 18174848), (8, 11359280), (10, 9087424), (16, 5679640), (20, 4543712), (32, 2839820), (40, 2271856), (64, 1419910), (80, 1135928), (128, 709955), (160, 567964), (320, 283982), (640, 141991)]