55020880

素因数分解:

$2^4\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1063}}^1$

素因数の和:1723

約数の個数: 40

約数和(自身を含む): 128241792

約数和(自身を除く): 73220912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 647, 1063, 1294, 2126, 2588, 3235, 4252, 5176, 5315, 6470, 8504, 10352, 10630, 12940, 17008, 21260, 25880, 42520, 51760, 85040, 687761, 1375522, 2751044, 3438805, 5502088, 6877610, 11004176, 13755220, 27510440, 55020880]

約数ペア:

[(1, 55020880), (2, 27510440), (4, 13755220), (5, 11004176), (8, 6877610), (10, 5502088), (16, 3438805), (20, 2751044), (40, 1375522), (80, 687761), (647, 85040), (1063, 51760), (1294, 42520), (2126, 25880), (2588, 21260), (3235, 17008), (4252, 12940), (5176, 10630), (5315, 10352), (6470, 8504)]