390020474240

素因数分解:

$2^7\times 5^1\times {\mathrm{609406991}}^1$

素因数の和:609407010

約数の個数: 32

約数和(自身を含む): 932392697760

約数和(自身を除く): 542372223520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 609406991, 1218813982, 2437627964, 3047034955, 4875255928, 6094069910, 9750511856, 12188139820, 19501023712, 24376279640, 39002047424, 48752559280, 78004094848, 97505118560, 195010237120, 390020474240]

約数ペア:

[(1, 390020474240), (2, 195010237120), (4, 97505118560), (5, 78004094848), (8, 48752559280), (10, 39002047424), (16, 24376279640), (20, 19501023712), (32, 12188139820), (40, 9750511856), (64, 6094069910), (80, 4875255928), (128, 3047034955), (160, 2437627964), (320, 1218813982), (640, 609406991)]