89425280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19961}}^1$

素因数の和:19987

約数の個数: 64

約数和(自身を含む): 244334880

約数和(自身を除く): 154909600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 19961, 39922, 79844, 99805, 139727, 159688, 199610, 279454, 319376, 399220, 558908, 638752, 698635, 798440, 1117816, 1277504, 1397270, 1596880, 2235632, 2555008, 2794540, 3193760, 4471264, 5589080, 6387520, 8942528, 11178160, 12775040, 17885056, 22356320, 44712640, 89425280]

約数ペア:

[(1, 89425280), (2, 44712640), (4, 22356320), (5, 17885056), (7, 12775040), (8, 11178160), (10, 8942528), (14, 6387520), (16, 5589080), (20, 4471264), (28, 3193760), (32, 2794540), (35, 2555008), (40, 2235632), (56, 1596880), (64, 1397270), (70, 1277504), (80, 1117816), (112, 798440), (128, 698635), (140, 638752), (160, 558908), (224, 399220), (280, 319376), (320, 279454), (448, 199610), (560, 159688), (640, 139727), (896, 99805), (1120, 79844), (2240, 39922), (4480, 19961)]