218127920

素因数分解:

$2^4\times 5^1\times {\mathrm{823}}^1\times {\mathrm{3313}}^1$

素因数の和:4149

約数の個数: 40

約数和(自身を含む): 507916896

約数和(自身を除く): 289788976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 823, 1646, 3292, 3313, 4115, 6584, 6626, 8230, 13168, 13252, 16460, 16565, 26504, 32920, 33130, 53008, 65840, 66260, 132520, 265040, 2726599, 5453198, 10906396, 13632995, 21812792, 27265990, 43625584, 54531980, 109063960, 218127920]

約数ペア:

[(1, 218127920), (2, 109063960), (4, 54531980), (5, 43625584), (8, 27265990), (10, 21812792), (16, 13632995), (20, 10906396), (40, 5453198), (80, 2726599), (823, 265040), (1646, 132520), (3292, 66260), (3313, 65840), (4115, 53008), (6584, 33130), (6626, 32920), (8230, 26504), (13168, 16565), (13252, 16460)]